Home / 2,317.82-3,198.74-1,269.90

Finding the Fourth Proportional to 2,317.82, 3,198.74 and 1,269.90

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Solution

The fourth proportional to 2,317.82, 3,198.74 and 1,269.90 is: 1,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.82 : 3,198.74 = 1,269.90 : x
  2. Step 2: Convert to fraction form
    2,317.82/3,198.74 = 1,269.90/x
  3. Step 3: Cross multiply
    2,317.82x = 3,198.74 × 1,269.90
  4. Step 4: Simplify right side
    2,317.82x = 4,062,073.58
  5. Step 5: Solve for x
    x = 4,062,073.58/2,317.82
  6. Step 6: Final answer
    x = 1,752.54

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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.