Home / 3,557.62-5,336.44-1,249.12

Finding the Fourth Proportional to 3,557.62, 5,336.44 and 1,249.12

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Solution

The fourth proportional to 3,557.62, 5,336.44 and 1,249.12 is: 1,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.62 : 5,336.44 = 1,249.12 : x
  2. Step 2: Convert to fraction form
    3,557.62/5,336.44 = 1,249.12/x
  3. Step 3: Cross multiply
    3,557.62x = 5,336.44 × 1,249.12
  4. Step 4: Simplify right side
    3,557.62x = 6,665,853.93
  5. Step 5: Solve for x
    x = 6,665,853.93/3,557.62
  6. Step 6: Final answer
    x = 1,873.68

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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.