Home / 3,371.84-5,057.94-1,912.28

Finding the Fourth Proportional to 3,371.84, 5,057.94 and 1,912.28

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Solution

The fourth proportional to 3,371.84, 5,057.94 and 1,912.28 is: 2,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.84 : 5,057.94 = 1,912.28 : x
  2. Step 2: Convert to fraction form
    3,371.84/5,057.94 = 1,912.28/x
  3. Step 3: Cross multiply
    3,371.84x = 5,057.94 × 1,912.28
  4. Step 4: Simplify right side
    3,371.84x = 9,672,197.50
  5. Step 5: Solve for x
    x = 9,672,197.50/3,371.84
  6. Step 6: Final answer
    x = 2,868.52

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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.