Home / 3,882.97-5,358.72-2,392.48

Finding the Fourth Proportional to 3,882.97, 5,358.72 and 2,392.48

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Solution

The fourth proportional to 3,882.97, 5,358.72 and 2,392.48 is: 3,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.97 : 5,358.72 = 2,392.48 : x
  2. Step 2: Convert to fraction form
    3,882.97/5,358.72 = 2,392.48/x
  3. Step 3: Cross multiply
    3,882.97x = 5,358.72 × 2,392.48
  4. Step 4: Simplify right side
    3,882.97x = 12,820,630.43
  5. Step 5: Solve for x
    x = 12,820,630.43/3,882.97
  6. Step 6: Final answer
    x = 3,301.76

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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.