Home / 2,222.88-3,333.08-1,399.38

Finding the Fourth Proportional to 2,222.88, 3,333.08 and 1,399.38

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Solution

The fourth proportional to 2,222.88, 3,333.08 and 1,399.38 is: 2,098.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.88 : 3,333.08 = 1,399.38 : x
  2. Step 2: Convert to fraction form
    2,222.88/3,333.08 = 1,399.38/x
  3. Step 3: Cross multiply
    2,222.88x = 3,333.08 × 1,399.38
  4. Step 4: Simplify right side
    2,222.88x = 4,664,238.49
  5. Step 5: Solve for x
    x = 4,664,238.49/2,222.88
  6. Step 6: Final answer
    x = 2,098.29

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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.