Home / 3,431.29-5,146.92-834.25

Finding the Fourth Proportional to 3,431.29, 5,146.92 and 834.25

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Solution

The fourth proportional to 3,431.29, 5,146.92 and 834.25 is: 1,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.29 : 5,146.92 = 834.25 : x
  2. Step 2: Convert to fraction form
    3,431.29/5,146.92 = 834.25/x
  3. Step 3: Cross multiply
    3,431.29x = 5,146.92 × 834.25
  4. Step 4: Simplify right side
    3,431.29x = 4,293,818.01
  5. Step 5: Solve for x
    x = 4,293,818.01/3,431.29
  6. Step 6: Final answer
    x = 1,251.37

Related Problems

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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.