Home / 3,377.13-4,660.97-1,979.88

Finding the Fourth Proportional to 3,377.13, 4,660.97 and 1,979.88

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Solution

The fourth proportional to 3,377.13, 4,660.97 and 1,979.88 is: 2,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.13 : 4,660.97 = 1,979.88 : x
  2. Step 2: Convert to fraction form
    3,377.13/4,660.97 = 1,979.88/x
  3. Step 3: Cross multiply
    3,377.13x = 4,660.97 × 1,979.88
  4. Step 4: Simplify right side
    3,377.13x = 9,228,142.93
  5. Step 5: Solve for x
    x = 9,228,142.93/3,377.13
  6. Step 6: Final answer
    x = 2,732.54

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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.