Question

3/2 and 1 are the first two terms of gp. Find the fourth term

Answer 1

Let first term =A and second term = Ar

then A=3/2 and Ar=1

substituting value of A in in 2nd 3/2×r=1
=> r=2/3

so 4th term = Ar^3 = 3/2×(2/3)^3 = 4/9

thanks