Home / 3,781.24-5,217.76-3,502.60

Finding the Fourth Proportional to 3,781.24, 5,217.76 and 3,502.60

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Solution

The fourth proportional to 3,781.24, 5,217.76 and 3,502.60 is: 4,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.24 : 5,217.76 = 3,502.60 : x
  2. Step 2: Convert to fraction form
    3,781.24/5,217.76 = 3,502.60/x
  3. Step 3: Cross multiply
    3,781.24x = 5,217.76 × 3,502.60
  4. Step 4: Simplify right side
    3,781.24x = 18,275,726.18
  5. Step 5: Solve for x
    x = 18,275,726.18/3,781.24
  6. Step 6: Final answer
    x = 4,833.26

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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.