Home / 3,413.16-5,113.98-2,487.42

Finding the Fourth Proportional to 3,413.16, 5,113.98 and 2,487.42

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Solution

The fourth proportional to 3,413.16, 5,113.98 and 2,487.42 is: 3,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.16 : 5,113.98 = 2,487.42 : x
  2. Step 2: Convert to fraction form
    3,413.16/5,113.98 = 2,487.42/x
  3. Step 3: Cross multiply
    3,413.16x = 5,113.98 × 2,487.42
  4. Step 4: Simplify right side
    3,413.16x = 12,720,616.13
  5. Step 5: Solve for x
    x = 12,720,616.13/3,413.16
  6. Step 6: Final answer
    x = 3,726.93

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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.