Home / 3,455.88-5,183.19-1,115.94

Finding the Fourth Proportional to 3,455.88, 5,183.19 and 1,115.94

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Solution

The fourth proportional to 3,455.88, 5,183.19 and 1,115.94 is: 1,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.88 : 5,183.19 = 1,115.94 : x
  2. Step 2: Convert to fraction form
    3,455.88/5,183.19 = 1,115.94/x
  3. Step 3: Cross multiply
    3,455.88x = 5,183.19 × 1,115.94
  4. Step 4: Simplify right side
    3,455.88x = 5,784,129.05
  5. Step 5: Solve for x
    x = 5,784,129.05/3,455.88
  6. Step 6: Final answer
    x = 1,673.71

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1.5x scale

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.