Home / 3,299.84-4,949.81-1,108.59

Finding the Fourth Proportional to 3,299.84, 4,949.81 and 1,108.59

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Solution

The fourth proportional to 3,299.84, 4,949.81 and 1,108.59 is: 1,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.84 : 4,949.81 = 1,108.59 : x
  2. Step 2: Convert to fraction form
    3,299.84/4,949.81 = 1,108.59/x
  3. Step 3: Cross multiply
    3,299.84x = 4,949.81 × 1,108.59
  4. Step 4: Simplify right side
    3,299.84x = 5,487,285.12
  5. Step 5: Solve for x
    x = 5,487,285.12/3,299.84
  6. Step 6: Final answer
    x = 1,662.89

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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.