Home / 3,422.20-5,133.84-1,474.42

Finding the Fourth Proportional to 3,422.20, 5,133.84 and 1,474.42

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Solution

The fourth proportional to 3,422.20, 5,133.84 and 1,474.42 is: 2,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.20 : 5,133.84 = 1,474.42 : x
  2. Step 2: Convert to fraction form
    3,422.20/5,133.84 = 1,474.42/x
  3. Step 3: Cross multiply
    3,422.20x = 5,133.84 × 1,474.42
  4. Step 4: Simplify right side
    3,422.20x = 7,569,436.37
  5. Step 5: Solve for x
    x = 7,569,436.37/3,422.20
  6. Step 6: Final answer
    x = 2,211.86

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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.