Home / 3,951.52-5,452.96-2,379.32

Finding the Fourth Proportional to 3,951.52, 5,452.96 and 2,379.32

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Solution

The fourth proportional to 3,951.52, 5,452.96 and 2,379.32 is: 3,283.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.52 : 5,452.96 = 2,379.32 : x
  2. Step 2: Convert to fraction form
    3,951.52/5,452.96 = 2,379.32/x
  3. Step 3: Cross multiply
    3,951.52x = 5,452.96 × 2,379.32
  4. Step 4: Simplify right side
    3,951.52x = 12,974,336.79
  5. Step 5: Solve for x
    x = 12,974,336.79/3,951.52
  6. Step 6: Final answer
    x = 3,283.38

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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.