Home / 3,914.96-5,872.47-1,836.44

Finding the Fourth Proportional to 3,914.96, 5,872.47 and 1,836.44

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Solution

The fourth proportional to 3,914.96, 5,872.47 and 1,836.44 is: 2,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.96 : 5,872.47 = 1,836.44 : x
  2. Step 2: Convert to fraction form
    3,914.96/5,872.47 = 1,836.44/x
  3. Step 3: Cross multiply
    3,914.96x = 5,872.47 × 1,836.44
  4. Step 4: Simplify right side
    3,914.96x = 10,784,400.26
  5. Step 5: Solve for x
    x = 10,784,400.26/3,914.96
  6. Step 6: Final answer
    x = 2,754.66

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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.