Home / 3,437.78-5,157.72-2,850.12

Finding the Fourth Proportional to 3,437.78, 5,157.72 and 2,850.12

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Solution

The fourth proportional to 3,437.78, 5,157.72 and 2,850.12 is: 4,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.78 : 5,157.72 = 2,850.12 : x
  2. Step 2: Convert to fraction form
    3,437.78/5,157.72 = 2,850.12/x
  3. Step 3: Cross multiply
    3,437.78x = 5,157.72 × 2,850.12
  4. Step 4: Simplify right side
    3,437.78x = 14,700,120.93
  5. Step 5: Solve for x
    x = 14,700,120.93/3,437.78
  6. Step 6: Final answer
    x = 4,276.06

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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.