Home / 2,760.92-4,143.18-2,538.44

Finding the Fourth Proportional to 2,760.92, 4,143.18 and 2,538.44

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Solution

The fourth proportional to 2,760.92, 4,143.18 and 2,538.44 is: 3,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.92 : 4,143.18 = 2,538.44 : x
  2. Step 2: Convert to fraction form
    2,760.92/4,143.18 = 2,538.44/x
  3. Step 3: Cross multiply
    2,760.92x = 4,143.18 × 2,538.44
  4. Step 4: Simplify right side
    2,760.92x = 10,517,213.84
  5. Step 5: Solve for x
    x = 10,517,213.84/2,760.92
  6. Step 6: Final answer
    x = 3,809.31

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1.5x scale

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.