Home / 3,696.94-5,103.91-2,757.90

Finding the Fourth Proportional to 3,696.94, 5,103.91 and 2,757.90

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Solution

The fourth proportional to 3,696.94, 5,103.91 and 2,757.90 is: 3,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.94 : 5,103.91 = 2,757.90 : x
  2. Step 2: Convert to fraction form
    3,696.94/5,103.91 = 2,757.90/x
  3. Step 3: Cross multiply
    3,696.94x = 5,103.91 × 2,757.90
  4. Step 4: Simplify right side
    3,696.94x = 14,076,067.27
  5. Step 5: Solve for x
    x = 14,076,067.27/3,696.94
  6. Step 6: Final answer
    x = 3,807.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.