Home / 3,424.70-5,134.21-2,984.87

Finding the Fourth Proportional to 3,424.70, 5,134.21 and 2,984.87

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Solution

The fourth proportional to 3,424.70, 5,134.21 and 2,984.87 is: 4,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.70 : 5,134.21 = 2,984.87 : x
  2. Step 2: Convert to fraction form
    3,424.70/5,134.21 = 2,984.87/x
  3. Step 3: Cross multiply
    3,424.70x = 5,134.21 × 2,984.87
  4. Step 4: Simplify right side
    3,424.70x = 15,324,954.78
  5. Step 5: Solve for x
    x = 15,324,954.78/3,424.70
  6. Step 6: Final answer
    x = 4,474.83

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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.