Home / 2,912.97-4,370.37-966.54

Finding the Fourth Proportional to 2,912.97, 4,370.37 and 966.54

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Solution

The fourth proportional to 2,912.97, 4,370.37 and 966.54 is: 1,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.97 : 4,370.37 = 966.54 : x
  2. Step 2: Convert to fraction form
    2,912.97/4,370.37 = 966.54/x
  3. Step 3: Cross multiply
    2,912.97x = 4,370.37 × 966.54
  4. Step 4: Simplify right side
    2,912.97x = 4,224,137.42
  5. Step 5: Solve for x
    x = 4,224,137.42/2,912.97
  6. Step 6: Final answer
    x = 1,450.11

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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.