Home / 3,405.22-5,112.14-2,895.46

Finding the Fourth Proportional to 3,405.22, 5,112.14 and 2,895.46

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Solution

The fourth proportional to 3,405.22, 5,112.14 and 2,895.46 is: 4,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.22 : 5,112.14 = 2,895.46 : x
  2. Step 2: Convert to fraction form
    3,405.22/5,112.14 = 2,895.46/x
  3. Step 3: Cross multiply
    3,405.22x = 5,112.14 × 2,895.46
  4. Step 4: Simplify right side
    3,405.22x = 14,801,996.88
  5. Step 5: Solve for x
    x = 14,801,996.88/3,405.22
  6. Step 6: Final answer
    x = 4,346.85

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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.