Home / 4,090.39-5,644.17-2,321.65

Finding the Fourth Proportional to 4,090.39, 5,644.17 and 2,321.65

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Solution

The fourth proportional to 4,090.39, 5,644.17 and 2,321.65 is: 3,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.39 : 5,644.17 = 2,321.65 : x
  2. Step 2: Convert to fraction form
    4,090.39/5,644.17 = 2,321.65/x
  3. Step 3: Cross multiply
    4,090.39x = 5,644.17 × 2,321.65
  4. Step 4: Simplify right side
    4,090.39x = 13,103,785.63
  5. Step 5: Solve for x
    x = 13,103,785.63/4,090.39
  6. Step 6: Final answer
    x = 3,203.56

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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.