Home / 3,413.94-4,711.19-1,921.85

Finding the Fourth Proportional to 3,413.94, 4,711.19 and 1,921.85

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Solution

The fourth proportional to 3,413.94, 4,711.19 and 1,921.85 is: 2,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.94 : 4,711.19 = 1,921.85 : x
  2. Step 2: Convert to fraction form
    3,413.94/4,711.19 = 1,921.85/x
  3. Step 3: Cross multiply
    3,413.94x = 4,711.19 × 1,921.85
  4. Step 4: Simplify right side
    3,413.94x = 9,054,202.67
  5. Step 5: Solve for x
    x = 9,054,202.67/3,413.94
  6. Step 6: Final answer
    x = 2,652.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.