Home / 3,781.26-5,217.66-2,384.82

Finding the Fourth Proportional to 3,781.26, 5,217.66 and 2,384.82

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Solution

The fourth proportional to 3,781.26, 5,217.66 and 2,384.82 is: 3,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.26 : 5,217.66 = 2,384.82 : x
  2. Step 2: Convert to fraction form
    3,781.26/5,217.66 = 2,384.82/x
  3. Step 3: Cross multiply
    3,781.26x = 5,217.66 × 2,384.82
  4. Step 4: Simplify right side
    3,781.26x = 12,443,179.92
  5. Step 5: Solve for x
    x = 12,443,179.92/3,781.26
  6. Step 6: Final answer
    x = 3,290.75

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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.