Home / 4,140.31-5,713.65-2,251.91

Finding the Fourth Proportional to 4,140.31, 5,713.65 and 2,251.91

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Solution

The fourth proportional to 4,140.31, 5,713.65 and 2,251.91 is: 3,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.31 : 5,713.65 = 2,251.91 : x
  2. Step 2: Convert to fraction form
    4,140.31/5,713.65 = 2,251.91/x
  3. Step 3: Cross multiply
    4,140.31x = 5,713.65 × 2,251.91
  4. Step 4: Simplify right side
    4,140.31x = 12,866,585.74
  5. Step 5: Solve for x
    x = 12,866,585.74/4,140.31
  6. Step 6: Final answer
    x = 3,107.64

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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.