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Finding the Fourth Proportional to 3,227.78, 4,454.19 and 1,792.05

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Solution

The fourth proportional to 3,227.78, 4,454.19 and 1,792.05 is: 2,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.78 : 4,454.19 = 1,792.05 : x
  2. Step 2: Convert to fraction form
    3,227.78/4,454.19 = 1,792.05/x
  3. Step 3: Cross multiply
    3,227.78x = 4,454.19 × 1,792.05
  4. Step 4: Simplify right side
    3,227.78x = 7,982,131.19
  5. Step 5: Solve for x
    x = 7,982,131.19/3,227.78
  6. Step 6: Final answer
    x = 2,472.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.