Home / 3,910.08-5,395.92-2,208.48

Finding the Fourth Proportional to 3,910.08, 5,395.92 and 2,208.48

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Solution

The fourth proportional to 3,910.08, 5,395.92 and 2,208.48 is: 3,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.08 : 5,395.92 = 2,208.48 : x
  2. Step 2: Convert to fraction form
    3,910.08/5,395.92 = 2,208.48/x
  3. Step 3: Cross multiply
    3,910.08x = 5,395.92 × 2,208.48
  4. Step 4: Simplify right side
    3,910.08x = 11,916,781.40
  5. Step 5: Solve for x
    x = 11,916,781.40/3,910.08
  6. Step 6: Final answer
    x = 3,047.71

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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.