Home / 2,218.70-3,324.36-1,568.09

Finding the Fourth Proportional to 2,218.70, 3,324.36 and 1,568.09

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Solution

The fourth proportional to 2,218.70, 3,324.36 and 1,568.09 is: 2,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.70 : 3,324.36 = 1,568.09 : x
  2. Step 2: Convert to fraction form
    2,218.70/3,324.36 = 1,568.09/x
  3. Step 3: Cross multiply
    2,218.70x = 3,324.36 × 1,568.09
  4. Step 4: Simplify right side
    2,218.70x = 5,212,895.67
  5. Step 5: Solve for x
    x = 5,212,895.67/2,218.70
  6. Step 6: Final answer
    x = 2,349.53

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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.