Home / 2,874.17-4,311.26-1,229.65

Finding the Fourth Proportional to 2,874.17, 4,311.26 and 1,229.65

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Solution

The fourth proportional to 2,874.17, 4,311.26 and 1,229.65 is: 1,844.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.17 : 4,311.26 = 1,229.65 : x
  2. Step 2: Convert to fraction form
    2,874.17/4,311.26 = 1,229.65/x
  3. Step 3: Cross multiply
    2,874.17x = 4,311.26 × 1,229.65
  4. Step 4: Simplify right side
    2,874.17x = 5,301,340.86
  5. Step 5: Solve for x
    x = 5,301,340.86/2,874.17
  6. Step 6: Final answer
    x = 1,844.48

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Half scale
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Double scale
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Similar ratio
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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.