Home / 3,863.54-5,331.56-2,270.16

Finding the Fourth Proportional to 3,863.54, 5,331.56 and 2,270.16

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Solution

The fourth proportional to 3,863.54, 5,331.56 and 2,270.16 is: 3,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.54 : 5,331.56 = 2,270.16 : x
  2. Step 2: Convert to fraction form
    3,863.54/5,331.56 = 2,270.16/x
  3. Step 3: Cross multiply
    3,863.54x = 5,331.56 × 2,270.16
  4. Step 4: Simplify right side
    3,863.54x = 12,103,494.25
  5. Step 5: Solve for x
    x = 12,103,494.25/3,863.54
  6. Step 6: Final answer
    x = 3,132.75

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.