Home / 4,001.88-6,002.82-1,921.44

Finding the Fourth Proportional to 4,001.88, 6,002.82 and 1,921.44

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Solution

The fourth proportional to 4,001.88, 6,002.82 and 1,921.44 is: 2,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.88 : 6,002.82 = 1,921.44 : x
  2. Step 2: Convert to fraction form
    4,001.88/6,002.82 = 1,921.44/x
  3. Step 3: Cross multiply
    4,001.88x = 6,002.82 × 1,921.44
  4. Step 4: Simplify right side
    4,001.88x = 11,534,058.46
  5. Step 5: Solve for x
    x = 11,534,058.46/4,001.88
  6. Step 6: Final answer
    x = 2,882.16

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.