Home / 3,586-4,949.22-2,189.56

Finding the Fourth Proportional to 3,586, 4,949.22 and 2,189.56

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Solution

The fourth proportional to 3,586, 4,949.22 and 2,189.56 is: 3,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586 : 4,949.22 = 2,189.56 : x
  2. Step 2: Convert to fraction form
    3,586/4,949.22 = 2,189.56/x
  3. Step 3: Cross multiply
    3,586x = 4,949.22 × 2,189.56
  4. Step 4: Simplify right side
    3,586x = 10,836,614.14
  5. Step 5: Solve for x
    x = 10,836,614.14/3,586
  6. Step 6: Final answer
    x = 3,021.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.