Home / 3,781.41-5,667.98-3,231.92

Finding the Fourth Proportional to 3,781.41, 5,667.98 and 3,231.92

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Solution

The fourth proportional to 3,781.41, 5,667.98 and 3,231.92 is: 4,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.41 : 5,667.98 = 3,231.92 : x
  2. Step 2: Convert to fraction form
    3,781.41/5,667.98 = 3,231.92/x
  3. Step 3: Cross multiply
    3,781.41x = 5,667.98 × 3,231.92
  4. Step 4: Simplify right side
    3,781.41x = 18,318,413.42
  5. Step 5: Solve for x
    x = 18,318,413.42/3,781.41
  6. Step 6: Final answer
    x = 4,844.33

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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.