Home / 3,142.38-4,713.57-1,194.12

Finding the Fourth Proportional to 3,142.38, 4,713.57 and 1,194.12

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Solution

The fourth proportional to 3,142.38, 4,713.57 and 1,194.12 is: 1,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.38 : 4,713.57 = 1,194.12 : x
  2. Step 2: Convert to fraction form
    3,142.38/4,713.57 = 1,194.12/x
  3. Step 3: Cross multiply
    3,142.38x = 4,713.57 × 1,194.12
  4. Step 4: Simplify right side
    3,142.38x = 5,628,568.21
  5. Step 5: Solve for x
    x = 5,628,568.21/3,142.38
  6. Step 6: Final answer
    x = 1,791.18

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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.