Home / 3,747.24-5,162.82-3,397.80

Finding the Fourth Proportional to 3,747.24, 5,162.82 and 3,397.80

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Solution

The fourth proportional to 3,747.24, 5,162.82 and 3,397.80 is: 4,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.24 : 5,162.82 = 3,397.80 : x
  2. Step 2: Convert to fraction form
    3,747.24/5,162.82 = 3,397.80/x
  3. Step 3: Cross multiply
    3,747.24x = 5,162.82 × 3,397.80
  4. Step 4: Simplify right side
    3,747.24x = 17,542,229.80
  5. Step 5: Solve for x
    x = 17,542,229.80/3,747.24
  6. Step 6: Final answer
    x = 4,681.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.