Home / 3,877.37-5,815.88-1,927.97

Finding the Fourth Proportional to 3,877.37, 5,815.88 and 1,927.97

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Solution

The fourth proportional to 3,877.37, 5,815.88 and 1,927.97 is: 2,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.37 : 5,815.88 = 1,927.97 : x
  2. Step 2: Convert to fraction form
    3,877.37/5,815.88 = 1,927.97/x
  3. Step 3: Cross multiply
    3,877.37x = 5,815.88 × 1,927.97
  4. Step 4: Simplify right side
    3,877.37x = 11,212,832.52
  5. Step 5: Solve for x
    x = 11,212,832.52/3,877.37
  6. Step 6: Final answer
    x = 2,891.87

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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.