Home / 3,605.26-5,413.56-2,129.04

Finding the Fourth Proportional to 3,605.26, 5,413.56 and 2,129.04

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Solution

The fourth proportional to 3,605.26, 5,413.56 and 2,129.04 is: 3,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.26 : 5,413.56 = 2,129.04 : x
  2. Step 2: Convert to fraction form
    3,605.26/5,413.56 = 2,129.04/x
  3. Step 3: Cross multiply
    3,605.26x = 5,413.56 × 2,129.04
  4. Step 4: Simplify right side
    3,605.26x = 11,525,685.78
  5. Step 5: Solve for x
    x = 11,525,685.78/3,605.26
  6. Step 6: Final answer
    x = 3,196.91

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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.