Finding the Fourth Proportional to 3,684, 5,526 and 948
Calculator
Solution
The fourth proportional to 3,684, 5,526 and 948 is: 1,422
Step by Step Solution
- Step 1: Write the proportion equation
3,684 : 5,526 = 948 : x - Step 2: Convert to fraction form
3,684/5,526 = 948/x - Step 3: Cross multiply
3,684x = 5,526 × 948 - Step 4: Simplify right side
3,684x = 5,238,648 - Step 5: Solve for x
x = 5,238,648/3,684 - Step 6: Final answer
x = 1,422
Related Problems
Find fourth proportional to 1,842, 2,763 and 474
Half scale
Find fourth proportional to 7,368, 11,052 and 1,896
Double scale
Find fourth proportional to 3,685, 5,527.50 and 949
Similar ratio
Find fourth proportional to 5,526, 8,289 and 1,422
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.