Home / 3,753.61-5,631.20-1,413.57

Finding the Fourth Proportional to 3,753.61, 5,631.20 and 1,413.57

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Solution

The fourth proportional to 3,753.61, 5,631.20 and 1,413.57 is: 2,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.61 : 5,631.20 = 1,413.57 : x
  2. Step 2: Convert to fraction form
    3,753.61/5,631.20 = 1,413.57/x
  3. Step 3: Cross multiply
    3,753.61x = 5,631.20 × 1,413.57
  4. Step 4: Simplify right side
    3,753.61x = 7,960,095.38
  5. Step 5: Solve for x
    x = 7,960,095.38/3,753.61
  6. Step 6: Final answer
    x = 2,120.65

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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.