Home / 2,318.08-3,198.82-1,269.94

Finding the Fourth Proportional to 2,318.08, 3,198.82 and 1,269.94

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Solution

The fourth proportional to 2,318.08, 3,198.82 and 1,269.94 is: 1,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.08 : 3,198.82 = 1,269.94 : x
  2. Step 2: Convert to fraction form
    2,318.08/3,198.82 = 1,269.94/x
  3. Step 3: Cross multiply
    2,318.08x = 3,198.82 × 1,269.94
  4. Step 4: Simplify right side
    2,318.08x = 4,062,293.48
  5. Step 5: Solve for x
    x = 4,062,293.48/2,318.08
  6. Step 6: Final answer
    x = 1,752.44

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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.