Home / 2,299.05-3,440.39-2,144.61

Finding the Fourth Proportional to 2,299.05, 3,440.39 and 2,144.61

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Solution

The fourth proportional to 2,299.05, 3,440.39 and 2,144.61 is: 3,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.05 : 3,440.39 = 2,144.61 : x
  2. Step 2: Convert to fraction form
    2,299.05/3,440.39 = 2,144.61/x
  3. Step 3: Cross multiply
    2,299.05x = 3,440.39 × 2,144.61
  4. Step 4: Simplify right side
    2,299.05x = 7,378,284.07
  5. Step 5: Solve for x
    x = 7,378,284.07/2,299.05
  6. Step 6: Final answer
    x = 3,209.28

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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.