Home / 2,028.20-3,040.41-933.44

Finding the Fourth Proportional to 2,028.20, 3,040.41 and 933.44

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Solution

The fourth proportional to 2,028.20, 3,040.41 and 933.44 is: 1,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.20 : 3,040.41 = 933.44 : x
  2. Step 2: Convert to fraction form
    2,028.20/3,040.41 = 933.44/x
  3. Step 3: Cross multiply
    2,028.20x = 3,040.41 × 933.44
  4. Step 4: Simplify right side
    2,028.20x = 2,838,040.31
  5. Step 5: Solve for x
    x = 2,838,040.31/2,028.20
  6. Step 6: Final answer
    x = 1,399.29

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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.