Home / 3,473.82-5,212.76-1,284.05

Finding the Fourth Proportional to 3,473.82, 5,212.76 and 1,284.05

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Solution

The fourth proportional to 3,473.82, 5,212.76 and 1,284.05 is: 1,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.82 : 5,212.76 = 1,284.05 : x
  2. Step 2: Convert to fraction form
    3,473.82/5,212.76 = 1,284.05/x
  3. Step 3: Cross multiply
    3,473.82x = 5,212.76 × 1,284.05
  4. Step 4: Simplify right side
    3,473.82x = 6,693,451.09
  5. Step 5: Solve for x
    x = 6,693,451.09/3,473.82
  6. Step 6: Final answer
    x = 1,926.83

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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.