Home / 3,423.96-5,138.67-2,499.96

Finding the Fourth Proportional to 3,423.96, 5,138.67 and 2,499.96

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Solution

The fourth proportional to 3,423.96, 5,138.67 and 2,499.96 is: 3,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.96 : 5,138.67 = 2,499.96 : x
  2. Step 2: Convert to fraction form
    3,423.96/5,138.67 = 2,499.96/x
  3. Step 3: Cross multiply
    3,423.96x = 5,138.67 × 2,499.96
  4. Step 4: Simplify right side
    3,423.96x = 12,846,469.45
  5. Step 5: Solve for x
    x = 12,846,469.45/3,423.96
  6. Step 6: Final answer
    x = 3,751.93

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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.