Home / 3,494.15-5,241.42-1,413.85

Finding the Fourth Proportional to 3,494.15, 5,241.42 and 1,413.85

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Solution

The fourth proportional to 3,494.15, 5,241.42 and 1,413.85 is: 2,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.15 : 5,241.42 = 1,413.85 : x
  2. Step 2: Convert to fraction form
    3,494.15/5,241.42 = 1,413.85/x
  3. Step 3: Cross multiply
    3,494.15x = 5,241.42 × 1,413.85
  4. Step 4: Simplify right side
    3,494.15x = 7,410,568.56
  5. Step 5: Solve for x
    x = 7,410,568.56/3,494.15
  6. Step 6: Final answer
    x = 2,120.85

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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.