Home / 3,279.24-4,918.92-1,330.08

Finding the Fourth Proportional to 3,279.24, 4,918.92 and 1,330.08

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Solution

The fourth proportional to 3,279.24, 4,918.92 and 1,330.08 is: 1,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.24 : 4,918.92 = 1,330.08 : x
  2. Step 2: Convert to fraction form
    3,279.24/4,918.92 = 1,330.08/x
  3. Step 3: Cross multiply
    3,279.24x = 4,918.92 × 1,330.08
  4. Step 4: Simplify right side
    3,279.24x = 6,542,557.11
  5. Step 5: Solve for x
    x = 6,542,557.11/3,279.24
  6. Step 6: Final answer
    x = 1,995.14

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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.