Home / 2,757.44-4,137.99-1,369.61

Finding the Fourth Proportional to 2,757.44, 4,137.99 and 1,369.61

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Solution

The fourth proportional to 2,757.44, 4,137.99 and 1,369.61 is: 2,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.44 : 4,137.99 = 1,369.61 : x
  2. Step 2: Convert to fraction form
    2,757.44/4,137.99 = 1,369.61/x
  3. Step 3: Cross multiply
    2,757.44x = 4,137.99 × 1,369.61
  4. Step 4: Simplify right side
    2,757.44x = 5,667,422.18
  5. Step 5: Solve for x
    x = 5,667,422.18/2,757.44
  6. Step 6: Final answer
    x = 2,055.32

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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.