Home / 2,183.67-3,273.87-1,317.78

Finding the Fourth Proportional to 2,183.67, 3,273.87 and 1,317.78

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Solution

The fourth proportional to 2,183.67, 3,273.87 and 1,317.78 is: 1,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.67 : 3,273.87 = 1,317.78 : x
  2. Step 2: Convert to fraction form
    2,183.67/3,273.87 = 1,317.78/x
  3. Step 3: Cross multiply
    2,183.67x = 3,273.87 × 1,317.78
  4. Step 4: Simplify right side
    2,183.67x = 4,314,240.41
  5. Step 5: Solve for x
    x = 4,314,240.41/2,183.67
  6. Step 6: Final answer
    x = 1,975.68

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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.