Home / 3,411.14-5,118.03-1,331.33

Finding the Fourth Proportional to 3,411.14, 5,118.03 and 1,331.33

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Solution

The fourth proportional to 3,411.14, 5,118.03 and 1,331.33 is: 1,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.14 : 5,118.03 = 1,331.33 : x
  2. Step 2: Convert to fraction form
    3,411.14/5,118.03 = 1,331.33/x
  3. Step 3: Cross multiply
    3,411.14x = 5,118.03 × 1,331.33
  4. Step 4: Simplify right side
    3,411.14x = 6,813,786.88
  5. Step 5: Solve for x
    x = 6,813,786.88/3,411.14
  6. Step 6: Final answer
    x = 1,997.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.