Home / 3,965.11-5,468.78-2,548.94

Finding the Fourth Proportional to 3,965.11, 5,468.78 and 2,548.94

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Solution

The fourth proportional to 3,965.11, 5,468.78 and 2,548.94 is: 3,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.11 : 5,468.78 = 2,548.94 : x
  2. Step 2: Convert to fraction form
    3,965.11/5,468.78 = 2,548.94/x
  3. Step 3: Cross multiply
    3,965.11x = 5,468.78 × 2,548.94
  4. Step 4: Simplify right side
    3,965.11x = 13,939,579.97
  5. Step 5: Solve for x
    x = 13,939,579.97/3,965.11
  6. Step 6: Final answer
    x = 3,515.56

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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.