Home / 3,225.15-4,451.49-1,966.89

Finding the Fourth Proportional to 3,225.15, 4,451.49 and 1,966.89

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Solution

The fourth proportional to 3,225.15, 4,451.49 and 1,966.89 is: 2,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.15 : 4,451.49 = 1,966.89 : x
  2. Step 2: Convert to fraction form
    3,225.15/4,451.49 = 1,966.89/x
  3. Step 3: Cross multiply
    3,225.15x = 4,451.49 × 1,966.89
  4. Step 4: Simplify right side
    3,225.15x = 8,755,591.17
  5. Step 5: Solve for x
    x = 8,755,591.17/3,225.15
  6. Step 6: Final answer
    x = 2,714.79

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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.