Home / 3,091.38-4,266.19-1,694.22

Finding the Fourth Proportional to 3,091.38, 4,266.19 and 1,694.22

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Solution

The fourth proportional to 3,091.38, 4,266.19 and 1,694.22 is: 2,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.38 : 4,266.19 = 1,694.22 : x
  2. Step 2: Convert to fraction form
    3,091.38/4,266.19 = 1,694.22/x
  3. Step 3: Cross multiply
    3,091.38x = 4,266.19 × 1,694.22
  4. Step 4: Simplify right side
    3,091.38x = 7,227,864.42
  5. Step 5: Solve for x
    x = 7,227,864.42/3,091.38
  6. Step 6: Final answer
    x = 2,338.07

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Half scale
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Double scale
Find fourth proportional to 3,092.38, 4,267.57 and 1,695.22
Similar ratio
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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.