Home / 2,218.06-3,324.43-984.08

Finding the Fourth Proportional to 2,218.06, 3,324.43 and 984.08

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Solution

The fourth proportional to 2,218.06, 3,324.43 and 984.08 is: 1,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.06 : 3,324.43 = 984.08 : x
  2. Step 2: Convert to fraction form
    2,218.06/3,324.43 = 984.08/x
  3. Step 3: Cross multiply
    2,218.06x = 3,324.43 × 984.08
  4. Step 4: Simplify right side
    2,218.06x = 3,271,499.22
  5. Step 5: Solve for x
    x = 3,271,499.22/2,218.06
  6. Step 6: Final answer
    x = 1,474.94

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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.