Home / 4,146.32-5,721.92-2,257.91

Finding the Fourth Proportional to 4,146.32, 5,721.92 and 2,257.91

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Solution

The fourth proportional to 4,146.32, 5,721.92 and 2,257.91 is: 3,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.32 : 5,721.92 = 2,257.91 : x
  2. Step 2: Convert to fraction form
    4,146.32/5,721.92 = 2,257.91/x
  3. Step 3: Cross multiply
    4,146.32x = 5,721.92 × 2,257.91
  4. Step 4: Simplify right side
    4,146.32x = 12,919,540.49
  5. Step 5: Solve for x
    x = 12,919,540.49/4,146.32
  6. Step 6: Final answer
    x = 3,115.91

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1.5x scale

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.