Home / 3,399.12-5,099.28-2,102.04

Finding the Fourth Proportional to 3,399.12, 5,099.28 and 2,102.04

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Solution

The fourth proportional to 3,399.12, 5,099.28 and 2,102.04 is: 3,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.12 : 5,099.28 = 2,102.04 : x
  2. Step 2: Convert to fraction form
    3,399.12/5,099.28 = 2,102.04/x
  3. Step 3: Cross multiply
    3,399.12x = 5,099.28 × 2,102.04
  4. Step 4: Simplify right side
    3,399.12x = 10,718,890.53
  5. Step 5: Solve for x
    x = 10,718,890.53/3,399.12
  6. Step 6: Final answer
    x = 3,153.43

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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.