Home / 2,074.92-2,863.26-1,143.42

Finding the Fourth Proportional to 2,074.92, 2,863.26 and 1,143.42

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Solution

The fourth proportional to 2,074.92, 2,863.26 and 1,143.42 is: 1,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.92 : 2,863.26 = 1,143.42 : x
  2. Step 2: Convert to fraction form
    2,074.92/2,863.26 = 1,143.42/x
  3. Step 3: Cross multiply
    2,074.92x = 2,863.26 × 1,143.42
  4. Step 4: Simplify right side
    2,074.92x = 3,273,908.75
  5. Step 5: Solve for x
    x = 3,273,908.75/2,074.92
  6. Step 6: Final answer
    x = 1,577.85

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.