Home / 2,280.38-3,418.35-1,169.79

Finding the Fourth Proportional to 2,280.38, 3,418.35 and 1,169.79

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Solution

The fourth proportional to 2,280.38, 3,418.35 and 1,169.79 is: 1,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.38 : 3,418.35 = 1,169.79 : x
  2. Step 2: Convert to fraction form
    2,280.38/3,418.35 = 1,169.79/x
  3. Step 3: Cross multiply
    2,280.38x = 3,418.35 × 1,169.79
  4. Step 4: Simplify right side
    2,280.38x = 3,998,751.65
  5. Step 5: Solve for x
    x = 3,998,751.65/2,280.38
  6. Step 6: Final answer
    x = 1,753.55

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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.