Home / 2,217.82-3,326.90-1,293.47

Finding the Fourth Proportional to 2,217.82, 3,326.90 and 1,293.47

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Solution

The fourth proportional to 2,217.82, 3,326.90 and 1,293.47 is: 1,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.82 : 3,326.90 = 1,293.47 : x
  2. Step 2: Convert to fraction form
    2,217.82/3,326.90 = 1,293.47/x
  3. Step 3: Cross multiply
    2,217.82x = 3,326.90 × 1,293.47
  4. Step 4: Simplify right side
    2,217.82x = 4,303,248.23
  5. Step 5: Solve for x
    x = 4,303,248.23/2,217.82
  6. Step 6: Final answer
    x = 1,940.30

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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.