Home / 3,949.16-5,922.02-2,099.84

Finding the Fourth Proportional to 3,949.16, 5,922.02 and 2,099.84

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Solution

The fourth proportional to 3,949.16, 5,922.02 and 2,099.84 is: 3,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.16 : 5,922.02 = 2,099.84 : x
  2. Step 2: Convert to fraction form
    3,949.16/5,922.02 = 2,099.84/x
  3. Step 3: Cross multiply
    3,949.16x = 5,922.02 × 2,099.84
  4. Step 4: Simplify right side
    3,949.16x = 12,435,294.48
  5. Step 5: Solve for x
    x = 12,435,294.48/3,949.16
  6. Step 6: Final answer
    x = 3,148.85

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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.