Home / 3,299.50-4,949.20-1,326

Finding the Fourth Proportional to 3,299.50, 4,949.20 and 1,326

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Solution

The fourth proportional to 3,299.50, 4,949.20 and 1,326 is: 1,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.50 : 4,949.20 = 1,326 : x
  2. Step 2: Convert to fraction form
    3,299.50/4,949.20 = 1,326/x
  3. Step 3: Cross multiply
    3,299.50x = 4,949.20 × 1,326
  4. Step 4: Simplify right side
    3,299.50x = 6,562,639.20
  5. Step 5: Solve for x
    x = 6,562,639.20/3,299.50
  6. Step 6: Final answer
    x = 1,988.98

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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.