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Finding the Fourth Proportional to 1,549.50, 2,324.60 and 683.82

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Solution

The fourth proportional to 1,549.50, 2,324.60 and 683.82 is: 1,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.50 : 2,324.60 = 683.82 : x
  2. Step 2: Convert to fraction form
    1,549.50/2,324.60 = 683.82/x
  3. Step 3: Cross multiply
    1,549.50x = 2,324.60 × 683.82
  4. Step 4: Simplify right side
    1,549.50x = 1,589,604.55
  5. Step 5: Solve for x
    x = 1,589,604.55/1,549.50
  6. Step 6: Final answer
    x = 1,025.88

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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.