Home / 2,208.11-3,046.86-1,263.75

Finding the Fourth Proportional to 2,208.11, 3,046.86 and 1,263.75

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Solution

The fourth proportional to 2,208.11, 3,046.86 and 1,263.75 is: 1,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.11 : 3,046.86 = 1,263.75 : x
  2. Step 2: Convert to fraction form
    2,208.11/3,046.86 = 1,263.75/x
  3. Step 3: Cross multiply
    2,208.11x = 3,046.86 × 1,263.75
  4. Step 4: Simplify right side
    2,208.11x = 3,850,469.33
  5. Step 5: Solve for x
    x = 3,850,469.33/2,208.11
  6. Step 6: Final answer
    x = 1,743.79

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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.