Home / 3,359.85-5,037.09-1,279.44

Finding the Fourth Proportional to 3,359.85, 5,037.09 and 1,279.44

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Solution

The fourth proportional to 3,359.85, 5,037.09 and 1,279.44 is: 1,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.85 : 5,037.09 = 1,279.44 : x
  2. Step 2: Convert to fraction form
    3,359.85/5,037.09 = 1,279.44/x
  3. Step 3: Cross multiply
    3,359.85x = 5,037.09 × 1,279.44
  4. Step 4: Simplify right side
    3,359.85x = 6,444,654.43
  5. Step 5: Solve for x
    x = 6,444,654.43/3,359.85
  6. Step 6: Final answer
    x = 1,918.14

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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.