Home / 3,581.14-5,371.62-2,109.69

Finding the Fourth Proportional to 3,581.14, 5,371.62 and 2,109.69

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Solution

The fourth proportional to 3,581.14, 5,371.62 and 2,109.69 is: 3,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.14 : 5,371.62 = 2,109.69 : x
  2. Step 2: Convert to fraction form
    3,581.14/5,371.62 = 2,109.69/x
  3. Step 3: Cross multiply
    3,581.14x = 5,371.62 × 2,109.69
  4. Step 4: Simplify right side
    3,581.14x = 11,332,453.00
  5. Step 5: Solve for x
    x = 11,332,453.00/3,581.14
  6. Step 6: Final answer
    x = 3,164.48

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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.