Home / 4,090.20-5,644.58-2,227.20

Finding the Fourth Proportional to 4,090.20, 5,644.58 and 2,227.20

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Solution

The fourth proportional to 4,090.20, 5,644.58 and 2,227.20 is: 3,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.20 : 5,644.58 = 2,227.20 : x
  2. Step 2: Convert to fraction form
    4,090.20/5,644.58 = 2,227.20/x
  3. Step 3: Cross multiply
    4,090.20x = 5,644.58 × 2,227.20
  4. Step 4: Simplify right side
    4,090.20x = 12,571,597.44
  5. Step 5: Solve for x
    x = 12,571,597.44/4,090.20
  6. Step 6: Final answer
    x = 3,073.59

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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.