Home / 3,474.14-4,794.60-1,982.12

Finding the Fourth Proportional to 3,474.14, 4,794.60 and 1,982.12

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Solution

The fourth proportional to 3,474.14, 4,794.60 and 1,982.12 is: 2,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.14 : 4,794.60 = 1,982.12 : x
  2. Step 2: Convert to fraction form
    3,474.14/4,794.60 = 1,982.12/x
  3. Step 3: Cross multiply
    3,474.14x = 4,794.60 × 1,982.12
  4. Step 4: Simplify right side
    3,474.14x = 9,503,472.55
  5. Step 5: Solve for x
    x = 9,503,472.55/3,474.14
  6. Step 6: Final answer
    x = 2,735.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.