Home / 3,118.08-4,680.49-2,773.62

Finding the Fourth Proportional to 3,118.08, 4,680.49 and 2,773.62

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Solution

The fourth proportional to 3,118.08, 4,680.49 and 2,773.62 is: 4,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.08 : 4,680.49 = 2,773.62 : x
  2. Step 2: Convert to fraction form
    3,118.08/4,680.49 = 2,773.62/x
  3. Step 3: Cross multiply
    3,118.08x = 4,680.49 × 2,773.62
  4. Step 4: Simplify right side
    3,118.08x = 12,981,900.67
  5. Step 5: Solve for x
    x = 12,981,900.67/3,118.08
  6. Step 6: Final answer
    x = 4,163.43

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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.