Home / 3,951.20-5,927.68-1,610.88

Finding the Fourth Proportional to 3,951.20, 5,927.68 and 1,610.88

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Solution

The fourth proportional to 3,951.20, 5,927.68 and 1,610.88 is: 2,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.20 : 5,927.68 = 1,610.88 : x
  2. Step 2: Convert to fraction form
    3,951.20/5,927.68 = 1,610.88/x
  3. Step 3: Cross multiply
    3,951.20x = 5,927.68 × 1,610.88
  4. Step 4: Simplify right side
    3,951.20x = 9,548,781.16
  5. Step 5: Solve for x
    x = 9,548,781.16/3,951.20
  6. Step 6: Final answer
    x = 2,416.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.