Home / 3,423.97-5,136.73-1,084.12

Finding the Fourth Proportional to 3,423.97, 5,136.73 and 1,084.12

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Solution

The fourth proportional to 3,423.97, 5,136.73 and 1,084.12 is: 1,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.97 : 5,136.73 = 1,084.12 : x
  2. Step 2: Convert to fraction form
    3,423.97/5,136.73 = 1,084.12/x
  3. Step 3: Cross multiply
    3,423.97x = 5,136.73 × 1,084.12
  4. Step 4: Simplify right side
    3,423.97x = 5,568,826.66
  5. Step 5: Solve for x
    x = 5,568,826.66/3,423.97
  6. Step 6: Final answer
    x = 1,626.42

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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.