Home / 3,413.91-5,110.39-2,489.25

Finding the Fourth Proportional to 3,413.91, 5,110.39 and 2,489.25

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Solution

The fourth proportional to 3,413.91, 5,110.39 and 2,489.25 is: 3,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.91 : 5,110.39 = 2,489.25 : x
  2. Step 2: Convert to fraction form
    3,413.91/5,110.39 = 2,489.25/x
  3. Step 3: Cross multiply
    3,413.91x = 5,110.39 × 2,489.25
  4. Step 4: Simplify right side
    3,413.91x = 12,721,031.84
  5. Step 5: Solve for x
    x = 12,721,031.84/3,413.91
  6. Step 6: Final answer
    x = 3,726.23

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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.