Home / 4,146.13-5,721.80-2,257.78

Finding the Fourth Proportional to 4,146.13, 5,721.80 and 2,257.78

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Solution

The fourth proportional to 4,146.13, 5,721.80 and 2,257.78 is: 3,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.13 : 5,721.80 = 2,257.78 : x
  2. Step 2: Convert to fraction form
    4,146.13/5,721.80 = 2,257.78/x
  3. Step 3: Cross multiply
    4,146.13x = 5,721.80 × 2,257.78
  4. Step 4: Simplify right side
    4,146.13x = 12,918,565.60
  5. Step 5: Solve for x
    x = 12,918,565.60/4,146.13
  6. Step 6: Final answer
    x = 3,115.81

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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.