Home / 3,179.57-4,767.68-1,330.34

Finding the Fourth Proportional to 3,179.57, 4,767.68 and 1,330.34

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Solution

The fourth proportional to 3,179.57, 4,767.68 and 1,330.34 is: 1,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.57 : 4,767.68 = 1,330.34 : x
  2. Step 2: Convert to fraction form
    3,179.57/4,767.68 = 1,330.34/x
  3. Step 3: Cross multiply
    3,179.57x = 4,767.68 × 1,330.34
  4. Step 4: Simplify right side
    3,179.57x = 6,342,614.90
  5. Step 5: Solve for x
    x = 6,342,614.90/3,179.57
  6. Step 6: Final answer
    x = 1,994.81

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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.