Home / 2,311.95-3,469.20-1,013.38

Finding the Fourth Proportional to 2,311.95, 3,469.20 and 1,013.38

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Solution

The fourth proportional to 2,311.95, 3,469.20 and 1,013.38 is: 1,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.95 : 3,469.20 = 1,013.38 : x
  2. Step 2: Convert to fraction form
    2,311.95/3,469.20 = 1,013.38/x
  3. Step 3: Cross multiply
    2,311.95x = 3,469.20 × 1,013.38
  4. Step 4: Simplify right side
    2,311.95x = 3,515,617.90
  5. Step 5: Solve for x
    x = 3,515,617.90/2,311.95
  6. Step 6: Final answer
    x = 1,520.63

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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.