Home / 3,974.42-5,962.59-2,806.70

Finding the Fourth Proportional to 3,974.42, 5,962.59 and 2,806.70

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Solution

The fourth proportional to 3,974.42, 5,962.59 and 2,806.70 is: 4,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.42 : 5,962.59 = 2,806.70 : x
  2. Step 2: Convert to fraction form
    3,974.42/5,962.59 = 2,806.70/x
  3. Step 3: Cross multiply
    3,974.42x = 5,962.59 × 2,806.70
  4. Step 4: Simplify right side
    3,974.42x = 16,735,171.54
  5. Step 5: Solve for x
    x = 16,735,171.54/3,974.42
  6. Step 6: Final answer
    x = 4,210.73

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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.