Home / 3,542.92-5,315.82-1,789.56

Finding the Fourth Proportional to 3,542.92, 5,315.82 and 1,789.56

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Solution

The fourth proportional to 3,542.92, 5,315.82 and 1,789.56 is: 2,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.92 : 5,315.82 = 1,789.56 : x
  2. Step 2: Convert to fraction form
    3,542.92/5,315.82 = 1,789.56/x
  3. Step 3: Cross multiply
    3,542.92x = 5,315.82 × 1,789.56
  4. Step 4: Simplify right side
    3,542.92x = 9,512,978.84
  5. Step 5: Solve for x
    x = 9,512,978.84/3,542.92
  6. Step 6: Final answer
    x = 2,685.07

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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.