Home / 3,951.10-5,452.44-2,182.78

Finding the Fourth Proportional to 3,951.10, 5,452.44 and 2,182.78

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Solution

The fourth proportional to 3,951.10, 5,452.44 and 2,182.78 is: 3,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.10 : 5,452.44 = 2,182.78 : x
  2. Step 2: Convert to fraction form
    3,951.10/5,452.44 = 2,182.78/x
  3. Step 3: Cross multiply
    3,951.10x = 5,452.44 × 2,182.78
  4. Step 4: Simplify right side
    3,951.10x = 11,901,476.98
  5. Step 5: Solve for x
    x = 11,901,476.98/3,951.10
  6. Step 6: Final answer
    x = 3,012.19

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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.