Finding the Fourth Proportional to 3,652.94, 5,479.70 and 1,572.99
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Solution
The fourth proportional to 3,652.94, 5,479.70 and 1,572.99 is: 2,359.61
Step by Step Solution
- Step 1: Write the proportion equation
3,652.94 : 5,479.70 = 1,572.99 : x - Step 2: Convert to fraction form
3,652.94/5,479.70 = 1,572.99/x - Step 3: Cross multiply
3,652.94x = 5,479.70 × 1,572.99 - Step 4: Simplify right side
3,652.94x = 8,619,505.44 - Step 5: Solve for x
x = 8,619,505.44/3,652.94 - Step 6: Final answer
x = 2,359.61
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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.