Home / 3,098.13-4,649.46-2,057.78

Finding the Fourth Proportional to 3,098.13, 4,649.46 and 2,057.78

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Solution

The fourth proportional to 3,098.13, 4,649.46 and 2,057.78 is: 3,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.13 : 4,649.46 = 2,057.78 : x
  2. Step 2: Convert to fraction form
    3,098.13/4,649.46 = 2,057.78/x
  3. Step 3: Cross multiply
    3,098.13x = 4,649.46 × 2,057.78
  4. Step 4: Simplify right side
    3,098.13x = 9,567,565.80
  5. Step 5: Solve for x
    x = 9,567,565.80/3,098.13
  6. Step 6: Final answer
    x = 3,088.18

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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.