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Finding the Fourth Proportional to 3,766.73, 5,648.04 and 2,991.71

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Solution

The fourth proportional to 3,766.73, 5,648.04 and 2,991.71 is: 4,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.73 : 5,648.04 = 2,991.71 : x
  2. Step 2: Convert to fraction form
    3,766.73/5,648.04 = 2,991.71/x
  3. Step 3: Cross multiply
    3,766.73x = 5,648.04 × 2,991.71
  4. Step 4: Simplify right side
    3,766.73x = 16,897,297.75
  5. Step 5: Solve for x
    x = 16,897,297.75/3,766.73
  6. Step 6: Final answer
    x = 4,485.93

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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.