Home / 4,090.38-5,644.53-2,321.75

Finding the Fourth Proportional to 4,090.38, 5,644.53 and 2,321.75

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Solution

The fourth proportional to 4,090.38, 5,644.53 and 2,321.75 is: 3,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.38 : 5,644.53 = 2,321.75 : x
  2. Step 2: Convert to fraction form
    4,090.38/5,644.53 = 2,321.75/x
  3. Step 3: Cross multiply
    4,090.38x = 5,644.53 × 2,321.75
  4. Step 4: Simplify right side
    4,090.38x = 13,105,159.30
  5. Step 5: Solve for x
    x = 13,105,159.30/4,090.38
  6. Step 6: Final answer
    x = 3,203.90

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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.