Home / 3,408.17-5,107.39-2,711.70

Finding the Fourth Proportional to 3,408.17, 5,107.39 and 2,711.70

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Solution

The fourth proportional to 3,408.17, 5,107.39 and 2,711.70 is: 4,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.17 : 5,107.39 = 2,711.70 : x
  2. Step 2: Convert to fraction form
    3,408.17/5,107.39 = 2,711.70/x
  3. Step 3: Cross multiply
    3,408.17x = 5,107.39 × 2,711.70
  4. Step 4: Simplify right side
    3,408.17x = 13,849,702.68
  5. Step 5: Solve for x
    x = 13,849,702.68/3,408.17
  6. Step 6: Final answer
    x = 4,063.68

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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.