Home / 2,981.74-4,475.72-2,202.62

Finding the Fourth Proportional to 2,981.74, 4,475.72 and 2,202.62

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Solution

The fourth proportional to 2,981.74, 4,475.72 and 2,202.62 is: 3,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.74 : 4,475.72 = 2,202.62 : x
  2. Step 2: Convert to fraction form
    2,981.74/4,475.72 = 2,202.62/x
  3. Step 3: Cross multiply
    2,981.74x = 4,475.72 × 2,202.62
  4. Step 4: Simplify right side
    2,981.74x = 9,858,310.39
  5. Step 5: Solve for x
    x = 9,858,310.39/2,981.74
  6. Step 6: Final answer
    x = 3,306.23

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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.