Home / 3,952.22-5,454-2,183.78

Finding the Fourth Proportional to 3,952.22, 5,454 and 2,183.78

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Solution

The fourth proportional to 3,952.22, 5,454 and 2,183.78 is: 3,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.22 : 5,454 = 2,183.78 : x
  2. Step 2: Convert to fraction form
    3,952.22/5,454 = 2,183.78/x
  3. Step 3: Cross multiply
    3,952.22x = 5,454 × 2,183.78
  4. Step 4: Simplify right side
    3,952.22x = 11,910,349.76
  5. Step 5: Solve for x
    x = 11,910,349.76/3,952.22
  6. Step 6: Final answer
    x = 3,013.59

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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.