Home / 3,091.88-4,266.79-1,694.60

Finding the Fourth Proportional to 3,091.88, 4,266.79 and 1,694.60

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Solution

The fourth proportional to 3,091.88, 4,266.79 and 1,694.60 is: 2,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.88 : 4,266.79 = 1,694.60 : x
  2. Step 2: Convert to fraction form
    3,091.88/4,266.79 = 1,694.60/x
  3. Step 3: Cross multiply
    3,091.88x = 4,266.79 × 1,694.60
  4. Step 4: Simplify right side
    3,091.88x = 7,230,476.76
  5. Step 5: Solve for x
    x = 7,230,476.76/3,091.88
  6. Step 6: Final answer
    x = 2,338.54

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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.