Home / 3,238.36-4,469.82-2,309.08

Finding the Fourth Proportional to 3,238.36, 4,469.82 and 2,309.08

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Solution

The fourth proportional to 3,238.36, 4,469.82 and 2,309.08 is: 3,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.36 : 4,469.82 = 2,309.08 : x
  2. Step 2: Convert to fraction form
    3,238.36/4,469.82 = 2,309.08/x
  3. Step 3: Cross multiply
    3,238.36x = 4,469.82 × 2,309.08
  4. Step 4: Simplify right side
    3,238.36x = 10,321,171.97
  5. Step 5: Solve for x
    x = 10,321,171.97/3,238.36
  6. Step 6: Final answer
    x = 3,187.16

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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.