Home / 2,215.84-3,324.30-982.66

Finding the Fourth Proportional to 2,215.84, 3,324.30 and 982.66

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Solution

The fourth proportional to 2,215.84, 3,324.30 and 982.66 is: 1,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.84 : 3,324.30 = 982.66 : x
  2. Step 2: Convert to fraction form
    2,215.84/3,324.30 = 982.66/x
  3. Step 3: Cross multiply
    2,215.84x = 3,324.30 × 982.66
  4. Step 4: Simplify right side
    2,215.84x = 3,266,656.64
  5. Step 5: Solve for x
    x = 3,266,656.64/2,215.84
  6. Step 6: Final answer
    x = 1,474.23

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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.