Home / 2,520.18-3,781.22-1,598.13

Finding the Fourth Proportional to 2,520.18, 3,781.22 and 1,598.13

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Solution

The fourth proportional to 2,520.18, 3,781.22 and 1,598.13 is: 2,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.18 : 3,781.22 = 1,598.13 : x
  2. Step 2: Convert to fraction form
    2,520.18/3,781.22 = 1,598.13/x
  3. Step 3: Cross multiply
    2,520.18x = 3,781.22 × 1,598.13
  4. Step 4: Simplify right side
    2,520.18x = 6,042,873.13
  5. Step 5: Solve for x
    x = 6,042,873.13/2,520.18
  6. Step 6: Final answer
    x = 2,397.79

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Half scale
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Double scale
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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.