Home / 3,122.16-4,682.97-1,366.62

Finding the Fourth Proportional to 3,122.16, 4,682.97 and 1,366.62

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Solution

The fourth proportional to 3,122.16, 4,682.97 and 1,366.62 is: 2,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.16 : 4,682.97 = 1,366.62 : x
  2. Step 2: Convert to fraction form
    3,122.16/4,682.97 = 1,366.62/x
  3. Step 3: Cross multiply
    3,122.16x = 4,682.97 × 1,366.62
  4. Step 4: Simplify right side
    3,122.16x = 6,399,840.46
  5. Step 5: Solve for x
    x = 6,399,840.46/3,122.16
  6. Step 6: Final answer
    x = 2,049.81

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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.