Home / 2,849.28-4,273.92-2,275.80

Finding the Fourth Proportional to 2,849.28, 4,273.92 and 2,275.80

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Solution

The fourth proportional to 2,849.28, 4,273.92 and 2,275.80 is: 3,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.28 : 4,273.92 = 2,275.80 : x
  2. Step 2: Convert to fraction form
    2,849.28/4,273.92 = 2,275.80/x
  3. Step 3: Cross multiply
    2,849.28x = 4,273.92 × 2,275.80
  4. Step 4: Simplify right side
    2,849.28x = 9,726,587.14
  5. Step 5: Solve for x
    x = 9,726,587.14/2,849.28
  6. Step 6: Final answer
    x = 3,413.70

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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.