Home / 3,792.82-5,234.15-2,177.99

Finding the Fourth Proportional to 3,792.82, 5,234.15 and 2,177.99

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Solution

The fourth proportional to 3,792.82, 5,234.15 and 2,177.99 is: 3,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.82 : 5,234.15 = 2,177.99 : x
  2. Step 2: Convert to fraction form
    3,792.82/5,234.15 = 2,177.99/x
  3. Step 3: Cross multiply
    3,792.82x = 5,234.15 × 2,177.99
  4. Step 4: Simplify right side
    3,792.82x = 11,399,915.47
  5. Step 5: Solve for x
    x = 11,399,915.47/3,792.82
  6. Step 6: Final answer
    x = 3,005.66

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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.