Home / 3,787.34-5,684.45-1,939.73

Finding the Fourth Proportional to 3,787.34, 5,684.45 and 1,939.73

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Solution

The fourth proportional to 3,787.34, 5,684.45 and 1,939.73 is: 2,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.34 : 5,684.45 = 1,939.73 : x
  2. Step 2: Convert to fraction form
    3,787.34/5,684.45 = 1,939.73/x
  3. Step 3: Cross multiply
    3,787.34x = 5,684.45 × 1,939.73
  4. Step 4: Simplify right side
    3,787.34x = 11,026,298.20
  5. Step 5: Solve for x
    x = 11,026,298.20/3,787.34
  6. Step 6: Final answer
    x = 2,911.36

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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.