Home / 2,939.43-4,408.26-1,183.87

Finding the Fourth Proportional to 2,939.43, 4,408.26 and 1,183.87

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Solution

The fourth proportional to 2,939.43, 4,408.26 and 1,183.87 is: 1,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.43 : 4,408.26 = 1,183.87 : x
  2. Step 2: Convert to fraction form
    2,939.43/4,408.26 = 1,183.87/x
  3. Step 3: Cross multiply
    2,939.43x = 4,408.26 × 1,183.87
  4. Step 4: Simplify right side
    2,939.43x = 5,218,806.77
  5. Step 5: Solve for x
    x = 5,218,806.77/2,939.43
  6. Step 6: Final answer
    x = 1,775.45

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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.