Home / 3,474.28-5,208.18-1,282.42

Finding the Fourth Proportional to 3,474.28, 5,208.18 and 1,282.42

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Solution

The fourth proportional to 3,474.28, 5,208.18 and 1,282.42 is: 1,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.28 : 5,208.18 = 1,282.42 : x
  2. Step 2: Convert to fraction form
    3,474.28/5,208.18 = 1,282.42/x
  3. Step 3: Cross multiply
    3,474.28x = 5,208.18 × 1,282.42
  4. Step 4: Simplify right side
    3,474.28x = 6,679,074.20
  5. Step 5: Solve for x
    x = 6,679,074.20/3,474.28
  6. Step 6: Final answer
    x = 1,922.43

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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.