Home / 2,408.72-3,324.30-1,360.85

Finding the Fourth Proportional to 2,408.72, 3,324.30 and 1,360.85

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Solution

The fourth proportional to 2,408.72, 3,324.30 and 1,360.85 is: 1,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.72 : 3,324.30 = 1,360.85 : x
  2. Step 2: Convert to fraction form
    2,408.72/3,324.30 = 1,360.85/x
  3. Step 3: Cross multiply
    2,408.72x = 3,324.30 × 1,360.85
  4. Step 4: Simplify right side
    2,408.72x = 4,523,874.60
  5. Step 5: Solve for x
    x = 4,523,874.60/2,408.72
  6. Step 6: Final answer
    x = 1,878.12

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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.