Home / 2,122.41-3,183.90-735.37

Finding the Fourth Proportional to 2,122.41, 3,183.90 and 735.37

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Solution

The fourth proportional to 2,122.41, 3,183.90 and 735.37 is: 1,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.41 : 3,183.90 = 735.37 : x
  2. Step 2: Convert to fraction form
    2,122.41/3,183.90 = 735.37/x
  3. Step 3: Cross multiply
    2,122.41x = 3,183.90 × 735.37
  4. Step 4: Simplify right side
    2,122.41x = 2,341,344.54
  5. Step 5: Solve for x
    x = 2,341,344.54/2,122.41
  6. Step 6: Final answer
    x = 1,103.15

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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.