Home / 3,424.14-5,135.94-3,331.80

Finding the Fourth Proportional to 3,424.14, 5,135.94 and 3,331.80

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Solution

The fourth proportional to 3,424.14, 5,135.94 and 3,331.80 is: 4,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.14 : 5,135.94 = 3,331.80 : x
  2. Step 2: Convert to fraction form
    3,424.14/5,135.94 = 3,331.80/x
  3. Step 3: Cross multiply
    3,424.14x = 5,135.94 × 3,331.80
  4. Step 4: Simplify right side
    3,424.14x = 17,111,924.89
  5. Step 5: Solve for x
    x = 17,111,924.89/3,424.14
  6. Step 6: Final answer
    x = 4,997.44

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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.