Home / 3,413.39-5,120.07-1,222.28

Finding the Fourth Proportional to 3,413.39, 5,120.07 and 1,222.28

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Solution

The fourth proportional to 3,413.39, 5,120.07 and 1,222.28 is: 1,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.39 : 5,120.07 = 1,222.28 : x
  2. Step 2: Convert to fraction form
    3,413.39/5,120.07 = 1,222.28/x
  3. Step 3: Cross multiply
    3,413.39x = 5,120.07 × 1,222.28
  4. Step 4: Simplify right side
    3,413.39x = 6,258,171.96
  5. Step 5: Solve for x
    x = 6,258,171.96/3,413.39
  6. Step 6: Final answer
    x = 1,833.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.