Home / 3,176.37-4,383.95-1,998.09

Finding the Fourth Proportional to 3,176.37, 4,383.95 and 1,998.09

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Solution

The fourth proportional to 3,176.37, 4,383.95 and 1,998.09 is: 2,757.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.37 : 4,383.95 = 1,998.09 : x
  2. Step 2: Convert to fraction form
    3,176.37/4,383.95 = 1,998.09/x
  3. Step 3: Cross multiply
    3,176.37x = 4,383.95 × 1,998.09
  4. Step 4: Simplify right side
    3,176.37x = 8,759,516.67
  5. Step 5: Solve for x
    x = 8,759,516.67/3,176.37
  6. Step 6: Final answer
    x = 2,757.71

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1.5x scale

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.