Home / 3,458.82-5,189.73-1,814.97

Finding the Fourth Proportional to 3,458.82, 5,189.73 and 1,814.97

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Solution

The fourth proportional to 3,458.82, 5,189.73 and 1,814.97 is: 2,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.82 : 5,189.73 = 1,814.97 : x
  2. Step 2: Convert to fraction form
    3,458.82/5,189.73 = 1,814.97/x
  3. Step 3: Cross multiply
    3,458.82x = 5,189.73 × 1,814.97
  4. Step 4: Simplify right side
    3,458.82x = 9,419,204.26
  5. Step 5: Solve for x
    x = 9,419,204.26/3,458.82
  6. Step 6: Final answer
    x = 2,723.24

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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.