Home / 3,231.88-4,454.82-2,182.12

Finding the Fourth Proportional to 3,231.88, 4,454.82 and 2,182.12

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Solution

The fourth proportional to 3,231.88, 4,454.82 and 2,182.12 is: 3,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.88 : 4,454.82 = 2,182.12 : x
  2. Step 2: Convert to fraction form
    3,231.88/4,454.82 = 2,182.12/x
  3. Step 3: Cross multiply
    3,231.88x = 4,454.82 × 2,182.12
  4. Step 4: Simplify right side
    3,231.88x = 9,720,951.82
  5. Step 5: Solve for x
    x = 9,720,951.82/3,231.88
  6. Step 6: Final answer
    x = 3,007.83

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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.