Home / 2,940.31-4,408.38-2,663.52

Finding the Fourth Proportional to 2,940.31, 4,408.38 and 2,663.52

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Solution

The fourth proportional to 2,940.31, 4,408.38 and 2,663.52 is: 3,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.31 : 4,408.38 = 2,663.52 : x
  2. Step 2: Convert to fraction form
    2,940.31/4,408.38 = 2,663.52/x
  3. Step 3: Cross multiply
    2,940.31x = 4,408.38 × 2,663.52
  4. Step 4: Simplify right side
    2,940.31x = 11,741,786.26
  5. Step 5: Solve for x
    x = 11,741,786.26/2,940.31
  6. Step 6: Final answer
    x = 3,993.38

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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.