Home / 3,026.76-4,179.78-2,863.14

Finding the Fourth Proportional to 3,026.76, 4,179.78 and 2,863.14

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Solution

The fourth proportional to 3,026.76, 4,179.78 and 2,863.14 is: 3,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.76 : 4,179.78 = 2,863.14 : x
  2. Step 2: Convert to fraction form
    3,026.76/4,179.78 = 2,863.14/x
  3. Step 3: Cross multiply
    3,026.76x = 4,179.78 × 2,863.14
  4. Step 4: Simplify right side
    3,026.76x = 11,967,295.31
  5. Step 5: Solve for x
    x = 11,967,295.31/3,026.76
  6. Step 6: Final answer
    x = 3,953.83

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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.