The positive real numbers p, q, r, s form an arithmetic progression, and p, q, and s form a geometric series. find the ratio of p to s.
1
1 ∶ 2
2
1 ∶ 3
3
1 ∶ 4
4
1 ∶ 6
The positive real numbers p, q, r, s form an arithmetic progression, and p, q, and s form a geometric series. find the ratio of p to s.