Home / 3,288.40-4,933.04-1,207.92

Finding the Fourth Proportional to 3,288.40, 4,933.04 and 1,207.92

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Solution

The fourth proportional to 3,288.40, 4,933.04 and 1,207.92 is: 1,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.40 : 4,933.04 = 1,207.92 : x
  2. Step 2: Convert to fraction form
    3,288.40/4,933.04 = 1,207.92/x
  3. Step 3: Cross multiply
    3,288.40x = 4,933.04 × 1,207.92
  4. Step 4: Simplify right side
    3,288.40x = 5,958,717.68
  5. Step 5: Solve for x
    x = 5,958,717.68/3,288.40
  6. Step 6: Final answer
    x = 1,812.04

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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.