Home / 3,600.33-5,399.11-1,408.56

Finding the Fourth Proportional to 3,600.33, 5,399.11 and 1,408.56

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Solution

The fourth proportional to 3,600.33, 5,399.11 and 1,408.56 is: 2,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.33 : 5,399.11 = 1,408.56 : x
  2. Step 2: Convert to fraction form
    3,600.33/5,399.11 = 1,408.56/x
  3. Step 3: Cross multiply
    3,600.33x = 5,399.11 × 1,408.56
  4. Step 4: Simplify right side
    3,600.33x = 7,604,970.38
  5. Step 5: Solve for x
    x = 7,604,970.38/3,600.33
  6. Step 6: Final answer
    x = 2,112.30

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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.