Home / 3,091.71-4,634.49-1,996.86

Finding the Fourth Proportional to 3,091.71, 4,634.49 and 1,996.86

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Solution

The fourth proportional to 3,091.71, 4,634.49 and 1,996.86 is: 2,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.71 : 4,634.49 = 1,996.86 : x
  2. Step 2: Convert to fraction form
    3,091.71/4,634.49 = 1,996.86/x
  3. Step 3: Cross multiply
    3,091.71x = 4,634.49 × 1,996.86
  4. Step 4: Simplify right side
    3,091.71x = 9,254,427.70
  5. Step 5: Solve for x
    x = 9,254,427.70/3,091.71
  6. Step 6: Final answer
    x = 2,993.30

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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.