Home / 3,183.03-4,391.82-1,855.98

Finding the Fourth Proportional to 3,183.03, 4,391.82 and 1,855.98

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Solution

The fourth proportional to 3,183.03, 4,391.82 and 1,855.98 is: 2,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.03 : 4,391.82 = 1,855.98 : x
  2. Step 2: Convert to fraction form
    3,183.03/4,391.82 = 1,855.98/x
  3. Step 3: Cross multiply
    3,183.03x = 4,391.82 × 1,855.98
  4. Step 4: Simplify right side
    3,183.03x = 8,151,130.08
  5. Step 5: Solve for x
    x = 8,151,130.08/3,183.03
  6. Step 6: Final answer
    x = 2,560.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.