Home / 3,413.04-5,115.20-1,872.24

Finding the Fourth Proportional to 3,413.04, 5,115.20 and 1,872.24

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Solution

The fourth proportional to 3,413.04, 5,115.20 and 1,872.24 is: 2,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.04 : 5,115.20 = 1,872.24 : x
  2. Step 2: Convert to fraction form
    3,413.04/5,115.20 = 1,872.24/x
  3. Step 3: Cross multiply
    3,413.04x = 5,115.20 × 1,872.24
  4. Step 4: Simplify right side
    3,413.04x = 9,576,882.05
  5. Step 5: Solve for x
    x = 9,576,882.05/3,413.04
  6. Step 6: Final answer
    x = 2,805.97

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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.