Home / 3,408.41-5,112.66-1,217.27

Finding the Fourth Proportional to 3,408.41, 5,112.66 and 1,217.27

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Solution

The fourth proportional to 3,408.41, 5,112.66 and 1,217.27 is: 1,825.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.41 : 5,112.66 = 1,217.27 : x
  2. Step 2: Convert to fraction form
    3,408.41/5,112.66 = 1,217.27/x
  3. Step 3: Cross multiply
    3,408.41x = 5,112.66 × 1,217.27
  4. Step 4: Simplify right side
    3,408.41x = 6,223,487.64
  5. Step 5: Solve for x
    x = 6,223,487.64/3,408.41
  6. Step 6: Final answer
    x = 1,825.92

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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.