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Finding the Fourth Proportional to 3,950.88, 5,926.31 and 3,753.80

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Solution

The fourth proportional to 3,950.88, 5,926.31 and 3,753.80 is: 5,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.88 : 5,926.31 = 3,753.80 : x
  2. Step 2: Convert to fraction form
    3,950.88/5,926.31 = 3,753.80/x
  3. Step 3: Cross multiply
    3,950.88x = 5,926.31 × 3,753.80
  4. Step 4: Simplify right side
    3,950.88x = 22,246,134.08
  5. Step 5: Solve for x
    x = 22,246,134.08/3,950.88
  6. Step 6: Final answer
    x = 5,630.68

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1.5x scale

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.