Finding the Fourth Proportional to 2,597.08, 3,894.82 and 747.70
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Solution
The fourth proportional to 2,597.08, 3,894.82 and 747.70 is: 1,121.32
Step by Step Solution
- Step 1: Write the proportion equation
2,597.08 : 3,894.82 = 747.70 : x - Step 2: Convert to fraction form
2,597.08/3,894.82 = 747.70/x - Step 3: Cross multiply
2,597.08x = 3,894.82 × 747.70 - Step 4: Simplify right side
2,597.08x = 2,912,145.31 - Step 5: Solve for x
x = 2,912,145.31/2,597.08 - Step 6: Final answer
x = 1,121.32
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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.