Home / 3,723.92-5,582.68-2,079.12

Finding the Fourth Proportional to 3,723.92, 5,582.68 and 2,079.12

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Solution

The fourth proportional to 3,723.92, 5,582.68 and 2,079.12 is: 3,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.92 : 5,582.68 = 2,079.12 : x
  2. Step 2: Convert to fraction form
    3,723.92/5,582.68 = 2,079.12/x
  3. Step 3: Cross multiply
    3,723.92x = 5,582.68 × 2,079.12
  4. Step 4: Simplify right side
    3,723.92x = 11,607,061.64
  5. Step 5: Solve for x
    x = 11,607,061.64/3,723.92
  6. Step 6: Final answer
    x = 3,116.89

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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.