Home / 3,299.68-4,950.12-1,108.42

Finding the Fourth Proportional to 3,299.68, 4,950.12 and 1,108.42

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Solution

The fourth proportional to 3,299.68, 4,950.12 and 1,108.42 is: 1,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.68 : 4,950.12 = 1,108.42 : x
  2. Step 2: Convert to fraction form
    3,299.68/4,950.12 = 1,108.42/x
  3. Step 3: Cross multiply
    3,299.68x = 4,950.12 × 1,108.42
  4. Step 4: Simplify right side
    3,299.68x = 5,486,812.01
  5. Step 5: Solve for x
    x = 5,486,812.01/3,299.68
  6. Step 6: Final answer
    x = 1,662.83

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1.5x scale

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.