Home / 3,349.38-4,622.84-2,230.37

Finding the Fourth Proportional to 3,349.38, 4,622.84 and 2,230.37

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Solution

The fourth proportional to 3,349.38, 4,622.84 and 2,230.37 is: 3,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.38 : 4,622.84 = 2,230.37 : x
  2. Step 2: Convert to fraction form
    3,349.38/4,622.84 = 2,230.37/x
  3. Step 3: Cross multiply
    3,349.38x = 4,622.84 × 2,230.37
  4. Step 4: Simplify right side
    3,349.38x = 10,310,609.38
  5. Step 5: Solve for x
    x = 10,310,609.38/3,349.38
  6. Step 6: Final answer
    x = 3,078.36

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.