Home / 3,413.78-5,120.46-2,008.99

Finding the Fourth Proportional to 3,413.78, 5,120.46 and 2,008.99

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Solution

The fourth proportional to 3,413.78, 5,120.46 and 2,008.99 is: 3,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.78 : 5,120.46 = 2,008.99 : x
  2. Step 2: Convert to fraction form
    3,413.78/5,120.46 = 2,008.99/x
  3. Step 3: Cross multiply
    3,413.78x = 5,120.46 × 2,008.99
  4. Step 4: Simplify right side
    3,413.78x = 10,286,952.94
  5. Step 5: Solve for x
    x = 10,286,952.94/3,413.78
  6. Step 6: Final answer
    x = 3,013.36

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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.