Home / 3,413.76-5,121.18-1,222.44

Finding the Fourth Proportional to 3,413.76, 5,121.18 and 1,222.44

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Solution

The fourth proportional to 3,413.76, 5,121.18 and 1,222.44 is: 1,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.76 : 5,121.18 = 1,222.44 : x
  2. Step 2: Convert to fraction form
    3,413.76/5,121.18 = 1,222.44/x
  3. Step 3: Cross multiply
    3,413.76x = 5,121.18 × 1,222.44
  4. Step 4: Simplify right side
    3,413.76x = 6,260,335.28
  5. Step 5: Solve for x
    x = 6,260,335.28/3,413.76
  6. Step 6: Final answer
    x = 1,833.85

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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.