Home / 3,031.29-4,546.44-839.97

Finding the Fourth Proportional to 3,031.29, 4,546.44 and 839.97

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Solution

The fourth proportional to 3,031.29, 4,546.44 and 839.97 is: 1,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.29 : 4,546.44 = 839.97 : x
  2. Step 2: Convert to fraction form
    3,031.29/4,546.44 = 839.97/x
  3. Step 3: Cross multiply
    3,031.29x = 4,546.44 × 839.97
  4. Step 4: Simplify right side
    3,031.29x = 3,818,873.21
  5. Step 5: Solve for x
    x = 3,818,873.21/3,031.29
  6. Step 6: Final answer
    x = 1,259.82

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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.