Home / 3,862.83-5,792.19-1,781.76

Finding the Fourth Proportional to 3,862.83, 5,792.19 and 1,781.76

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Solution

The fourth proportional to 3,862.83, 5,792.19 and 1,781.76 is: 2,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.83 : 5,792.19 = 1,781.76 : x
  2. Step 2: Convert to fraction form
    3,862.83/5,792.19 = 1,781.76/x
  3. Step 3: Cross multiply
    3,862.83x = 5,792.19 × 1,781.76
  4. Step 4: Simplify right side
    3,862.83x = 10,320,317.52
  5. Step 5: Solve for x
    x = 10,320,317.52/3,862.83
  6. Step 6: Final answer
    x = 2,671.70

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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.