Home / 3,408.15-4,702.03-2,229.91

Finding the Fourth Proportional to 3,408.15, 4,702.03 and 2,229.91

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Solution

The fourth proportional to 3,408.15, 4,702.03 and 2,229.91 is: 3,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.15 : 4,702.03 = 2,229.91 : x
  2. Step 2: Convert to fraction form
    3,408.15/4,702.03 = 2,229.91/x
  3. Step 3: Cross multiply
    3,408.15x = 4,702.03 × 2,229.91
  4. Step 4: Simplify right side
    3,408.15x = 10,485,086.39
  5. Step 5: Solve for x
    x = 10,485,086.39/3,408.15
  6. Step 6: Final answer
    x = 3,076.47

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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.