Home / 3,408.83-5,104.13-1,945.97

Finding the Fourth Proportional to 3,408.83, 5,104.13 and 1,945.97

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Solution

The fourth proportional to 3,408.83, 5,104.13 and 1,945.97 is: 2,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.83 : 5,104.13 = 1,945.97 : x
  2. Step 2: Convert to fraction form
    3,408.83/5,104.13 = 1,945.97/x
  3. Step 3: Cross multiply
    3,408.83x = 5,104.13 × 1,945.97
  4. Step 4: Simplify right side
    3,408.83x = 9,932,448.61
  5. Step 5: Solve for x
    x = 9,932,448.61/3,408.83
  6. Step 6: Final answer
    x = 2,913.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.