Home / 3,781.86-5,673.60-1,149.44

Finding the Fourth Proportional to 3,781.86, 5,673.60 and 1,149.44

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Solution

The fourth proportional to 3,781.86, 5,673.60 and 1,149.44 is: 1,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.86 : 5,673.60 = 1,149.44 : x
  2. Step 2: Convert to fraction form
    3,781.86/5,673.60 = 1,149.44/x
  3. Step 3: Cross multiply
    3,781.86x = 5,673.60 × 1,149.44
  4. Step 4: Simplify right side
    3,781.86x = 6,521,462.78
  5. Step 5: Solve for x
    x = 6,521,462.78/3,781.86
  6. Step 6: Final answer
    x = 1,724.41

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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.