Home / 3,924.54-5,416.11-2,745.99

Finding the Fourth Proportional to 3,924.54, 5,416.11 and 2,745.99

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Solution

The fourth proportional to 3,924.54, 5,416.11 and 2,745.99 is: 3,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.54 : 5,416.11 = 2,745.99 : x
  2. Step 2: Convert to fraction form
    3,924.54/5,416.11 = 2,745.99/x
  3. Step 3: Cross multiply
    3,924.54x = 5,416.11 × 2,745.99
  4. Step 4: Simplify right side
    3,924.54x = 14,872,583.90
  5. Step 5: Solve for x
    x = 14,872,583.90/3,924.54
  6. Step 6: Final answer
    x = 3,789.64

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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.