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Finding the Fourth Proportional to 3,761.60, 5,191.02 and 2,083.10

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Solution

The fourth proportional to 3,761.60, 5,191.02 and 2,083.10 is: 2,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.60 : 5,191.02 = 2,083.10 : x
  2. Step 2: Convert to fraction form
    3,761.60/5,191.02 = 2,083.10/x
  3. Step 3: Cross multiply
    3,761.60x = 5,191.02 × 2,083.10
  4. Step 4: Simplify right side
    3,761.60x = 10,813,413.76
  5. Step 5: Solve for x
    x = 10,813,413.76/3,761.60
  6. Step 6: Final answer
    x = 2,874.68

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Why These Related Problems?

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