Home / 3,409.38-5,105.70-2,174.94

Finding the Fourth Proportional to 3,409.38, 5,105.70 and 2,174.94

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Solution

The fourth proportional to 3,409.38, 5,105.70 and 2,174.94 is: 3,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.38 : 5,105.70 = 2,174.94 : x
  2. Step 2: Convert to fraction form
    3,409.38/5,105.70 = 2,174.94/x
  3. Step 3: Cross multiply
    3,409.38x = 5,105.70 × 2,174.94
  4. Step 4: Simplify right side
    3,409.38x = 11,104,591.16
  5. Step 5: Solve for x
    x = 11,104,591.16/3,409.38
  6. Step 6: Final answer
    x = 3,257.07

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1.5x scale

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.