Home / 3,874.42-5,810.82-1,276.75

Finding the Fourth Proportional to 3,874.42, 5,810.82 and 1,276.75

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Solution

The fourth proportional to 3,874.42, 5,810.82 and 1,276.75 is: 1,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.42 : 5,810.82 = 1,276.75 : x
  2. Step 2: Convert to fraction form
    3,874.42/5,810.82 = 1,276.75/x
  3. Step 3: Cross multiply
    3,874.42x = 5,810.82 × 1,276.75
  4. Step 4: Simplify right side
    3,874.42x = 7,418,964.44
  5. Step 5: Solve for x
    x = 7,418,964.44/3,874.42
  6. Step 6: Final answer
    x = 1,914.86

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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.