Home / 3,169.31-4,753.98-1,089.92

Finding the Fourth Proportional to 3,169.31, 4,753.98 and 1,089.92

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Solution

The fourth proportional to 3,169.31, 4,753.98 and 1,089.92 is: 1,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.31 : 4,753.98 = 1,089.92 : x
  2. Step 2: Convert to fraction form
    3,169.31/4,753.98 = 1,089.92/x
  3. Step 3: Cross multiply
    3,169.31x = 4,753.98 × 1,089.92
  4. Step 4: Simplify right side
    3,169.31x = 5,181,434.11
  5. Step 5: Solve for x
    x = 5,181,434.11/3,169.31
  6. Step 6: Final answer
    x = 1,634.88

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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.