Home / 3,952.31-5,454.11-2,183.88

Finding the Fourth Proportional to 3,952.31, 5,454.11 and 2,183.88

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Solution

The fourth proportional to 3,952.31, 5,454.11 and 2,183.88 is: 3,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.31 : 5,454.11 = 2,183.88 : x
  2. Step 2: Convert to fraction form
    3,952.31/5,454.11 = 2,183.88/x
  3. Step 3: Cross multiply
    3,952.31x = 5,454.11 × 2,183.88
  4. Step 4: Simplify right side
    3,952.31x = 11,911,106.75
  5. Step 5: Solve for x
    x = 11,911,106.75/3,952.31
  6. Step 6: Final answer
    x = 3,013.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.