Home / 3,913.13-5,399.94-2,342.09

Finding the Fourth Proportional to 3,913.13, 5,399.94 and 2,342.09

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Solution

The fourth proportional to 3,913.13, 5,399.94 and 2,342.09 is: 3,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.13 : 5,399.94 = 2,342.09 : x
  2. Step 2: Convert to fraction form
    3,913.13/5,399.94 = 2,342.09/x
  3. Step 3: Cross multiply
    3,913.13x = 5,399.94 × 2,342.09
  4. Step 4: Simplify right side
    3,913.13x = 12,647,118.47
  5. Step 5: Solve for x
    x = 12,647,118.47/3,913.13
  6. Step 6: Final answer
    x = 3,231.97

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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.