Home / 3,413.26-5,121.33-3,140.83

Finding the Fourth Proportional to 3,413.26, 5,121.33 and 3,140.83

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Solution

The fourth proportional to 3,413.26, 5,121.33 and 3,140.83 is: 4,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.26 : 5,121.33 = 3,140.83 : x
  2. Step 2: Convert to fraction form
    3,413.26/5,121.33 = 3,140.83/x
  3. Step 3: Cross multiply
    3,413.26x = 5,121.33 × 3,140.83
  4. Step 4: Simplify right side
    3,413.26x = 16,085,226.90
  5. Step 5: Solve for x
    x = 16,085,226.90/3,413.26
  6. Step 6: Final answer
    x = 4,712.57

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1.5x scale

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.