Home / 3,408.75-5,106.03-3,291.25

Finding the Fourth Proportional to 3,408.75, 5,106.03 and 3,291.25

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Solution

The fourth proportional to 3,408.75, 5,106.03 and 3,291.25 is: 4,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.75 : 5,106.03 = 3,291.25 : x
  2. Step 2: Convert to fraction form
    3,408.75/5,106.03 = 3,291.25/x
  3. Step 3: Cross multiply
    3,408.75x = 5,106.03 × 3,291.25
  4. Step 4: Simplify right side
    3,408.75x = 16,805,221.24
  5. Step 5: Solve for x
    x = 16,805,221.24/3,408.75
  6. Step 6: Final answer
    x = 4,930.02

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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.