Home / 2,317.91-3,198.79-1,269.97

Finding the Fourth Proportional to 2,317.91, 3,198.79 and 1,269.97

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Solution

The fourth proportional to 2,317.91, 3,198.79 and 1,269.97 is: 1,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.91 : 3,198.79 = 1,269.97 : x
  2. Step 2: Convert to fraction form
    2,317.91/3,198.79 = 1,269.97/x
  3. Step 3: Cross multiply
    2,317.91x = 3,198.79 × 1,269.97
  4. Step 4: Simplify right side
    2,317.91x = 4,062,344.99
  5. Step 5: Solve for x
    x = 4,062,344.99/2,317.91
  6. Step 6: Final answer
    x = 1,752.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.