Home / 3,748.20-5,622.30-3,723.90

Finding the Fourth Proportional to 3,748.20, 5,622.30 and 3,723.90

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Solution

The fourth proportional to 3,748.20, 5,622.30 and 3,723.90 is: 5,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.20 : 5,622.30 = 3,723.90 : x
  2. Step 2: Convert to fraction form
    3,748.20/5,622.30 = 3,723.90/x
  3. Step 3: Cross multiply
    3,748.20x = 5,622.30 × 3,723.90
  4. Step 4: Simplify right side
    3,748.20x = 20,936,882.97
  5. Step 5: Solve for x
    x = 20,936,882.97/3,748.20
  6. Step 6: Final answer
    x = 5,585.85

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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.