Home / 3,781.26-5,672.32-1,007.96

Finding the Fourth Proportional to 3,781.26, 5,672.32 and 1,007.96

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Solution

The fourth proportional to 3,781.26, 5,672.32 and 1,007.96 is: 1,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.26 : 5,672.32 = 1,007.96 : x
  2. Step 2: Convert to fraction form
    3,781.26/5,672.32 = 1,007.96/x
  3. Step 3: Cross multiply
    3,781.26x = 5,672.32 × 1,007.96
  4. Step 4: Simplify right side
    3,781.26x = 5,717,471.67
  5. Step 5: Solve for x
    x = 5,717,471.67/3,781.26
  6. Step 6: Final answer
    x = 1,512.05

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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.