Home / 3,882.92-5,358.44-2,311.07

Finding the Fourth Proportional to 3,882.92, 5,358.44 and 2,311.07

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Solution

The fourth proportional to 3,882.92, 5,358.44 and 2,311.07 is: 3,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.92 : 5,358.44 = 2,311.07 : x
  2. Step 2: Convert to fraction form
    3,882.92/5,358.44 = 2,311.07/x
  3. Step 3: Cross multiply
    3,882.92x = 5,358.44 × 2,311.07
  4. Step 4: Simplify right side
    3,882.92x = 12,383,708.92
  5. Step 5: Solve for x
    x = 12,383,708.92/3,882.92
  6. Step 6: Final answer
    x = 3,189.28

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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.