Home / 3,787.43-5,677.47-1,939.41

Finding the Fourth Proportional to 3,787.43, 5,677.47 and 1,939.41

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Solution

The fourth proportional to 3,787.43, 5,677.47 and 1,939.41 is: 2,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.43 : 5,677.47 = 1,939.41 : x
  2. Step 2: Convert to fraction form
    3,787.43/5,677.47 = 1,939.41/x
  3. Step 3: Cross multiply
    3,787.43x = 5,677.47 × 1,939.41
  4. Step 4: Simplify right side
    3,787.43x = 11,010,942.09
  5. Step 5: Solve for x
    x = 11,010,942.09/3,787.43
  6. Step 6: Final answer
    x = 2,907.24

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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.