Home / 2,299.82-3,450.57-1,129.70

Finding the Fourth Proportional to 2,299.82, 3,450.57 and 1,129.70

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Solution

The fourth proportional to 2,299.82, 3,450.57 and 1,129.70 is: 1,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.82 : 3,450.57 = 1,129.70 : x
  2. Step 2: Convert to fraction form
    2,299.82/3,450.57 = 1,129.70/x
  3. Step 3: Cross multiply
    2,299.82x = 3,450.57 × 1,129.70
  4. Step 4: Simplify right side
    2,299.82x = 3,898,108.93
  5. Step 5: Solve for x
    x = 3,898,108.93/2,299.82
  6. Step 6: Final answer
    x = 1,694.96

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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.