Home / 3,299.40-4,949.57-1,108.76

Finding the Fourth Proportional to 3,299.40, 4,949.57 and 1,108.76

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Solution

The fourth proportional to 3,299.40, 4,949.57 and 1,108.76 is: 1,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.40 : 4,949.57 = 1,108.76 : x
  2. Step 2: Convert to fraction form
    3,299.40/4,949.57 = 1,108.76/x
  3. Step 3: Cross multiply
    3,299.40x = 4,949.57 × 1,108.76
  4. Step 4: Simplify right side
    3,299.40x = 5,487,863.26
  5. Step 5: Solve for x
    x = 5,487,863.26/3,299.40
  6. Step 6: Final answer
    x = 1,663.29

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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.