Home / 3,723.24-5,585.13-1,126.38

Finding the Fourth Proportional to 3,723.24, 5,585.13 and 1,126.38

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Solution

The fourth proportional to 3,723.24, 5,585.13 and 1,126.38 is: 1,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.24 : 5,585.13 = 1,126.38 : x
  2. Step 2: Convert to fraction form
    3,723.24/5,585.13 = 1,126.38/x
  3. Step 3: Cross multiply
    3,723.24x = 5,585.13 × 1,126.38
  4. Step 4: Simplify right side
    3,723.24x = 6,290,978.73
  5. Step 5: Solve for x
    x = 6,290,978.73/3,723.24
  6. Step 6: Final answer
    x = 1,689.65

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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.