Home / 3,557.44-5,338.68-1,249.12

Finding the Fourth Proportional to 3,557.44, 5,338.68 and 1,249.12

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Solution

The fourth proportional to 3,557.44, 5,338.68 and 1,249.12 is: 1,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.44 : 5,338.68 = 1,249.12 : x
  2. Step 2: Convert to fraction form
    3,557.44/5,338.68 = 1,249.12/x
  3. Step 3: Cross multiply
    3,557.44x = 5,338.68 × 1,249.12
  4. Step 4: Simplify right side
    3,557.44x = 6,668,651.96
  5. Step 5: Solve for x
    x = 6,668,651.96/3,557.44
  6. Step 6: Final answer
    x = 1,874.56

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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.