Home / 3,408.31-5,108.41-1,456.39

Finding the Fourth Proportional to 3,408.31, 5,108.41 and 1,456.39

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Solution

The fourth proportional to 3,408.31, 5,108.41 and 1,456.39 is: 2,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.31 : 5,108.41 = 1,456.39 : x
  2. Step 2: Convert to fraction form
    3,408.31/5,108.41 = 1,456.39/x
  3. Step 3: Cross multiply
    3,408.31x = 5,108.41 × 1,456.39
  4. Step 4: Simplify right side
    3,408.31x = 7,439,837.24
  5. Step 5: Solve for x
    x = 7,439,837.24/3,408.31
  6. Step 6: Final answer
    x = 2,182.85

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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.