Home / 2,317.88-3,198.69-1,269.95

Finding the Fourth Proportional to 2,317.88, 3,198.69 and 1,269.95

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Solution

The fourth proportional to 2,317.88, 3,198.69 and 1,269.95 is: 1,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.88 : 3,198.69 = 1,269.95 : x
  2. Step 2: Convert to fraction form
    2,317.88/3,198.69 = 1,269.95/x
  3. Step 3: Cross multiply
    2,317.88x = 3,198.69 × 1,269.95
  4. Step 4: Simplify right side
    2,317.88x = 4,062,160.37
  5. Step 5: Solve for x
    x = 4,062,160.37/2,317.88
  6. Step 6: Final answer
    x = 1,752.53

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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.