Home / 2,912.44-4,370.78-2,183.98

Finding the Fourth Proportional to 2,912.44, 4,370.78 and 2,183.98

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Solution

The fourth proportional to 2,912.44, 4,370.78 and 2,183.98 is: 3,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.44 : 4,370.78 = 2,183.98 : x
  2. Step 2: Convert to fraction form
    2,912.44/4,370.78 = 2,183.98/x
  3. Step 3: Cross multiply
    2,912.44x = 4,370.78 × 2,183.98
  4. Step 4: Simplify right side
    2,912.44x = 9,545,696.10
  5. Step 5: Solve for x
    x = 9,545,696.10/2,912.44
  6. Step 6: Final answer
    x = 3,277.56

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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.