Home / 3,727.09-5,589.90-1,129.42

Finding the Fourth Proportional to 3,727.09, 5,589.90 and 1,129.42

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Solution

The fourth proportional to 3,727.09, 5,589.90 and 1,129.42 is: 1,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.09 : 5,589.90 = 1,129.42 : x
  2. Step 2: Convert to fraction form
    3,727.09/5,589.90 = 1,129.42/x
  3. Step 3: Cross multiply
    3,727.09x = 5,589.90 × 1,129.42
  4. Step 4: Simplify right side
    3,727.09x = 6,313,344.86
  5. Step 5: Solve for x
    x = 6,313,344.86/3,727.09
  6. Step 6: Final answer
    x = 1,693.91

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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.