Home / 3,214.82-4,436.03-1,798.47

Finding the Fourth Proportional to 3,214.82, 4,436.03 and 1,798.47

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Solution

The fourth proportional to 3,214.82, 4,436.03 and 1,798.47 is: 2,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.82 : 4,436.03 = 1,798.47 : x
  2. Step 2: Convert to fraction form
    3,214.82/4,436.03 = 1,798.47/x
  3. Step 3: Cross multiply
    3,214.82x = 4,436.03 × 1,798.47
  4. Step 4: Simplify right side
    3,214.82x = 7,978,057.88
  5. Step 5: Solve for x
    x = 7,978,057.88/3,214.82
  6. Step 6: Final answer
    x = 2,481.65

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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.