Home / 3,801.10-5,245.52-2,229.20

Finding the Fourth Proportional to 3,801.10, 5,245.52 and 2,229.20

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Solution

The fourth proportional to 3,801.10, 5,245.52 and 2,229.20 is: 3,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.10 : 5,245.52 = 2,229.20 : x
  2. Step 2: Convert to fraction form
    3,801.10/5,245.52 = 2,229.20/x
  3. Step 3: Cross multiply
    3,801.10x = 5,245.52 × 2,229.20
  4. Step 4: Simplify right side
    3,801.10x = 11,693,313.18
  5. Step 5: Solve for x
    x = 11,693,313.18/3,801.10
  6. Step 6: Final answer
    x = 3,076.30

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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.