Home / 2,239.05-3,359.52-1,198.79

Finding the Fourth Proportional to 2,239.05, 3,359.52 and 1,198.79

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Solution

The fourth proportional to 2,239.05, 3,359.52 and 1,198.79 is: 1,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.05 : 3,359.52 = 1,198.79 : x
  2. Step 2: Convert to fraction form
    2,239.05/3,359.52 = 1,198.79/x
  3. Step 3: Cross multiply
    2,239.05x = 3,359.52 × 1,198.79
  4. Step 4: Simplify right side
    2,239.05x = 4,027,342.18
  5. Step 5: Solve for x
    x = 4,027,342.18/2,239.05
  6. Step 6: Final answer
    x = 1,798.68

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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.