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Finding the Fourth Proportional to 2,962, 4,443.36 and 1,229.68

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Solution

The fourth proportional to 2,962, 4,443.36 and 1,229.68 is: 1,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962 : 4,443.36 = 1,229.68 : x
  2. Step 2: Convert to fraction form
    2,962/4,443.36 = 1,229.68/x
  3. Step 3: Cross multiply
    2,962x = 4,443.36 × 1,229.68
  4. Step 4: Simplify right side
    2,962x = 5,463,910.92
  5. Step 5: Solve for x
    x = 5,463,910.92/2,962
  6. Step 6: Final answer
    x = 1,844.67

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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.