Home / 3,436.12-5,150.22-2,138.44

Finding the Fourth Proportional to 3,436.12, 5,150.22 and 2,138.44

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Solution

The fourth proportional to 3,436.12, 5,150.22 and 2,138.44 is: 3,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.12 : 5,150.22 = 2,138.44 : x
  2. Step 2: Convert to fraction form
    3,436.12/5,150.22 = 2,138.44/x
  3. Step 3: Cross multiply
    3,436.12x = 5,150.22 × 2,138.44
  4. Step 4: Simplify right side
    3,436.12x = 11,013,436.46
  5. Step 5: Solve for x
    x = 11,013,436.46/3,436.12
  6. Step 6: Final answer
    x = 3,205.20

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1.5x scale

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.