Home / 3,330.42-4,992.12-1,251.96

Finding the Fourth Proportional to 3,330.42, 4,992.12 and 1,251.96

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Solution

The fourth proportional to 3,330.42, 4,992.12 and 1,251.96 is: 1,876.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.42 : 4,992.12 = 1,251.96 : x
  2. Step 2: Convert to fraction form
    3,330.42/4,992.12 = 1,251.96/x
  3. Step 3: Cross multiply
    3,330.42x = 4,992.12 × 1,251.96
  4. Step 4: Simplify right side
    3,330.42x = 6,249,934.56
  5. Step 5: Solve for x
    x = 6,249,934.56/3,330.42
  6. Step 6: Final answer
    x = 1,876.62

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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.