Home / 4,146.20-5,721.61-2,257.75

Finding the Fourth Proportional to 4,146.20, 5,721.61 and 2,257.75

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Solution

The fourth proportional to 4,146.20, 5,721.61 and 2,257.75 is: 3,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.20 : 5,721.61 = 2,257.75 : x
  2. Step 2: Convert to fraction form
    4,146.20/5,721.61 = 2,257.75/x
  3. Step 3: Cross multiply
    4,146.20x = 5,721.61 × 2,257.75
  4. Step 4: Simplify right side
    4,146.20x = 12,917,964.98
  5. Step 5: Solve for x
    x = 12,917,964.98/4,146.20
  6. Step 6: Final answer
    x = 3,115.62

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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.