Home / 3,330.21-4,998.42-1,772.04

Finding the Fourth Proportional to 3,330.21, 4,998.42 and 1,772.04

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Solution

The fourth proportional to 3,330.21, 4,998.42 and 1,772.04 is: 2,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.21 : 4,998.42 = 1,772.04 : x
  2. Step 2: Convert to fraction form
    3,330.21/4,998.42 = 1,772.04/x
  3. Step 3: Cross multiply
    3,330.21x = 4,998.42 × 1,772.04
  4. Step 4: Simplify right side
    3,330.21x = 8,857,400.18
  5. Step 5: Solve for x
    x = 8,857,400.18/3,330.21
  6. Step 6: Final answer
    x = 2,659.71

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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.