Home / 3,405.90-5,106.69-2,234.46

Finding the Fourth Proportional to 3,405.90, 5,106.69 and 2,234.46

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Solution

The fourth proportional to 3,405.90, 5,106.69 and 2,234.46 is: 3,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.90 : 5,106.69 = 2,234.46 : x
  2. Step 2: Convert to fraction form
    3,405.90/5,106.69 = 2,234.46/x
  3. Step 3: Cross multiply
    3,405.90x = 5,106.69 × 2,234.46
  4. Step 4: Simplify right side
    3,405.90x = 11,410,694.54
  5. Step 5: Solve for x
    x = 11,410,694.54/3,405.90
  6. Step 6: Final answer
    x = 3,350.27

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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.