Home / 3,429.93-5,144.21-2,122.52

Finding the Fourth Proportional to 3,429.93, 5,144.21 and 2,122.52

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Solution

The fourth proportional to 3,429.93, 5,144.21 and 2,122.52 is: 3,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.93 : 5,144.21 = 2,122.52 : x
  2. Step 2: Convert to fraction form
    3,429.93/5,144.21 = 2,122.52/x
  3. Step 3: Cross multiply
    3,429.93x = 5,144.21 × 2,122.52
  4. Step 4: Simplify right side
    3,429.93x = 10,918,660.24
  5. Step 5: Solve for x
    x = 10,918,660.24/3,429.93
  6. Step 6: Final answer
    x = 3,183.34

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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.