Home / 2,211.93-3,310.68-1,626.78

Finding the Fourth Proportional to 2,211.93, 3,310.68 and 1,626.78

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Solution

The fourth proportional to 2,211.93, 3,310.68 and 1,626.78 is: 2,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.93 : 3,310.68 = 1,626.78 : x
  2. Step 2: Convert to fraction form
    2,211.93/3,310.68 = 1,626.78/x
  3. Step 3: Cross multiply
    2,211.93x = 3,310.68 × 1,626.78
  4. Step 4: Simplify right side
    2,211.93x = 5,385,766.53
  5. Step 5: Solve for x
    x = 5,385,766.53/2,211.93
  6. Step 6: Final answer
    x = 2,434.87

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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.