Home / 3,951.25-5,452.72-2,182.85

Finding the Fourth Proportional to 3,951.25, 5,452.72 and 2,182.85

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Solution

The fourth proportional to 3,951.25, 5,452.72 and 2,182.85 is: 3,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.25 : 5,452.72 = 2,182.85 : x
  2. Step 2: Convert to fraction form
    3,951.25/5,452.72 = 2,182.85/x
  3. Step 3: Cross multiply
    3,951.25x = 5,452.72 × 2,182.85
  4. Step 4: Simplify right side
    3,951.25x = 11,902,469.85
  5. Step 5: Solve for x
    x = 11,902,469.85/3,951.25
  6. Step 6: Final answer
    x = 3,012.33

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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.