Home / 3,195.13-4,792.71-1,115.13

Finding the Fourth Proportional to 3,195.13, 4,792.71 and 1,115.13

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Solution

The fourth proportional to 3,195.13, 4,792.71 and 1,115.13 is: 1,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.13 : 4,792.71 = 1,115.13 : x
  2. Step 2: Convert to fraction form
    3,195.13/4,792.71 = 1,115.13/x
  3. Step 3: Cross multiply
    3,195.13x = 4,792.71 × 1,115.13
  4. Step 4: Simplify right side
    3,195.13x = 5,344,494.70
  5. Step 5: Solve for x
    x = 5,344,494.70/3,195.13
  6. Step 6: Final answer
    x = 1,672.70

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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.