Harmonic and Arithemetic

Pro Problems > Math > Statisics and Probabilities > Means > Harmonic

Harmonic and Arithemetic

The harmonic mean of a set of numbers is the reciprocal of the average of the reciprocals of the numbers.

The average of 2, 4, and x is 2.4 more than the harmonic mean of those numbers.

Find the value of x.

Presentation mode

Problem by BogusBoy

Solution

In order to make it feasible for teachers to use these problems in their classwork, no solutions are publicly visible, so students cannot simply look up the answers. If you would like to view the solutions to these problems, you must have a Virtual Classroom subscription.