Home / 3,500.20-5,250.30-2,260.90

Finding the Fourth Proportional to 3,500.20, 5,250.30 and 2,260.90

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Solution

The fourth proportional to 3,500.20, 5,250.30 and 2,260.90 is: 3,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.20 : 5,250.30 = 2,260.90 : x
  2. Step 2: Convert to fraction form
    3,500.20/5,250.30 = 2,260.90/x
  3. Step 3: Cross multiply
    3,500.20x = 5,250.30 × 2,260.90
  4. Step 4: Simplify right side
    3,500.20x = 11,870,403.27
  5. Step 5: Solve for x
    x = 11,870,403.27/3,500.20
  6. Step 6: Final answer
    x = 3,391.35

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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.