Home / 3,712.28-5,122.72-2,033.38

Finding the Fourth Proportional to 3,712.28, 5,122.72 and 2,033.38

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Solution

The fourth proportional to 3,712.28, 5,122.72 and 2,033.38 is: 2,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.28 : 5,122.72 = 2,033.38 : x
  2. Step 2: Convert to fraction form
    3,712.28/5,122.72 = 2,033.38/x
  3. Step 3: Cross multiply
    3,712.28x = 5,122.72 × 2,033.38
  4. Step 4: Simplify right side
    3,712.28x = 10,416,436.39
  5. Step 5: Solve for x
    x = 10,416,436.39/3,712.28
  6. Step 6: Final answer
    x = 2,805.94

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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.