Home / 2,753.44-4,131.63-1,292.61

Finding the Fourth Proportional to 2,753.44, 4,131.63 and 1,292.61

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Solution

The fourth proportional to 2,753.44, 4,131.63 and 1,292.61 is: 1,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.44 : 4,131.63 = 1,292.61 : x
  2. Step 2: Convert to fraction form
    2,753.44/4,131.63 = 1,292.61/x
  3. Step 3: Cross multiply
    2,753.44x = 4,131.63 × 1,292.61
  4. Step 4: Simplify right side
    2,753.44x = 5,340,586.25
  5. Step 5: Solve for x
    x = 5,340,586.25/2,753.44
  6. Step 6: Final answer
    x = 1,939.61

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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.