Home / 3,942.78-5,441.09-2,614.11

Finding the Fourth Proportional to 3,942.78, 5,441.09 and 2,614.11

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Solution

The fourth proportional to 3,942.78, 5,441.09 and 2,614.11 is: 3,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.78 : 5,441.09 = 2,614.11 : x
  2. Step 2: Convert to fraction form
    3,942.78/5,441.09 = 2,614.11/x
  3. Step 3: Cross multiply
    3,942.78x = 5,441.09 × 2,614.11
  4. Step 4: Simplify right side
    3,942.78x = 14,223,594.71
  5. Step 5: Solve for x
    x = 14,223,594.71/3,942.78
  6. Step 6: Final answer
    x = 3,607.50

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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.