Home / 3,828.62-5,745.08-2,073.60

Finding the Fourth Proportional to 3,828.62, 5,745.08 and 2,073.60

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Solution

The fourth proportional to 3,828.62, 5,745.08 and 2,073.60 is: 3,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.62 : 5,745.08 = 2,073.60 : x
  2. Step 2: Convert to fraction form
    3,828.62/5,745.08 = 2,073.60/x
  3. Step 3: Cross multiply
    3,828.62x = 5,745.08 × 2,073.60
  4. Step 4: Simplify right side
    3,828.62x = 11,912,991.41
  5. Step 5: Solve for x
    x = 11,912,991.41/3,828.62
  6. Step 6: Final answer
    x = 3,111.57

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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.