Home / 3,712.28-5,123.07-2,033.79

Finding the Fourth Proportional to 3,712.28, 5,123.07 and 2,033.79

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Solution

The fourth proportional to 3,712.28, 5,123.07 and 2,033.79 is: 2,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.28 : 5,123.07 = 2,033.79 : x
  2. Step 2: Convert to fraction form
    3,712.28/5,123.07 = 2,033.79/x
  3. Step 3: Cross multiply
    3,712.28x = 5,123.07 × 2,033.79
  4. Step 4: Simplify right side
    3,712.28x = 10,419,248.54
  5. Step 5: Solve for x
    x = 10,419,248.54/3,712.28
  6. Step 6: Final answer
    x = 2,806.70

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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.