Home / 3,500.70-5,251.05-2,625.90

Finding the Fourth Proportional to 3,500.70, 5,251.05 and 2,625.90

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Solution

The fourth proportional to 3,500.70, 5,251.05 and 2,625.90 is: 3,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.70 : 5,251.05 = 2,625.90 : x
  2. Step 2: Convert to fraction form
    3,500.70/5,251.05 = 2,625.90/x
  3. Step 3: Cross multiply
    3,500.70x = 5,251.05 × 2,625.90
  4. Step 4: Simplify right side
    3,500.70x = 13,788,732.20
  5. Step 5: Solve for x
    x = 13,788,732.20/3,500.70
  6. Step 6: Final answer
    x = 3,938.85

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Similar ratio
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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.