Home / 4,139.74-5,712.92-2,251.34

Finding the Fourth Proportional to 4,139.74, 5,712.92 and 2,251.34

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Solution

The fourth proportional to 4,139.74, 5,712.92 and 2,251.34 is: 3,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.74 : 5,712.92 = 2,251.34 : x
  2. Step 2: Convert to fraction form
    4,139.74/5,712.92 = 2,251.34/x
  3. Step 3: Cross multiply
    4,139.74x = 5,712.92 × 2,251.34
  4. Step 4: Simplify right side
    4,139.74x = 12,861,685.49
  5. Step 5: Solve for x
    x = 12,861,685.49/4,139.74
  6. Step 6: Final answer
    x = 3,106.88

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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.