Home / 3,914.45-5,872.95-1,449.46

Finding the Fourth Proportional to 3,914.45, 5,872.95 and 1,449.46

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Solution

The fourth proportional to 3,914.45, 5,872.95 and 1,449.46 is: 2,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.45 : 5,872.95 = 1,449.46 : x
  2. Step 2: Convert to fraction form
    3,914.45/5,872.95 = 1,449.46/x
  3. Step 3: Cross multiply
    3,914.45x = 5,872.95 × 1,449.46
  4. Step 4: Simplify right side
    3,914.45x = 8,512,591.42
  5. Step 5: Solve for x
    x = 8,512,591.42/3,914.45
  6. Step 6: Final answer
    x = 2,174.66

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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.