Home / 3,230.80-4,844.82-1,228.18

Finding the Fourth Proportional to 3,230.80, 4,844.82 and 1,228.18

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Solution

The fourth proportional to 3,230.80, 4,844.82 and 1,228.18 is: 1,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.80 : 4,844.82 = 1,228.18 : x
  2. Step 2: Convert to fraction form
    3,230.80/4,844.82 = 1,228.18/x
  3. Step 3: Cross multiply
    3,230.80x = 4,844.82 × 1,228.18
  4. Step 4: Simplify right side
    3,230.80x = 5,950,311.03
  5. Step 5: Solve for x
    x = 5,950,311.03/3,230.80
  6. Step 6: Final answer
    x = 1,841.75

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