Home / 3,721.57-5,577-2,241.40

Finding the Fourth Proportional to 3,721.57, 5,577 and 2,241.40

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Solution

The fourth proportional to 3,721.57, 5,577 and 2,241.40 is: 3,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.57 : 5,577 = 2,241.40 : x
  2. Step 2: Convert to fraction form
    3,721.57/5,577 = 2,241.40/x
  3. Step 3: Cross multiply
    3,721.57x = 5,577 × 2,241.40
  4. Step 4: Simplify right side
    3,721.57x = 12,500,287.80
  5. Step 5: Solve for x
    x = 12,500,287.80/3,721.57
  6. Step 6: Final answer
    x = 3,358.87

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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.