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Finding the Fourth Proportional to 2,881.73, 4,322.41 and 1,126.41

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Solution

The fourth proportional to 2,881.73, 4,322.41 and 1,126.41 is: 1,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.73 : 4,322.41 = 1,126.41 : x
  2. Step 2: Convert to fraction form
    2,881.73/4,322.41 = 1,126.41/x
  3. Step 3: Cross multiply
    2,881.73x = 4,322.41 × 1,126.41
  4. Step 4: Simplify right side
    2,881.73x = 4,868,805.85
  5. Step 5: Solve for x
    x = 4,868,805.85/2,881.73
  6. Step 6: Final answer
    x = 1,689.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.