Home / 3,198.83-4,798.24-1,249.66

Finding the Fourth Proportional to 3,198.83, 4,798.24 and 1,249.66

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Solution

The fourth proportional to 3,198.83, 4,798.24 and 1,249.66 is: 1,874.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.83 : 4,798.24 = 1,249.66 : x
  2. Step 2: Convert to fraction form
    3,198.83/4,798.24 = 1,249.66/x
  3. Step 3: Cross multiply
    3,198.83x = 4,798.24 × 1,249.66
  4. Step 4: Simplify right side
    3,198.83x = 5,996,188.15
  5. Step 5: Solve for x
    x = 5,996,188.15/3,198.83
  6. Step 6: Final answer
    x = 1,874.50

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Half scale
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Double scale
Find fourth proportional to 3,199.83, 4,799.74 and 1,250.66
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.