Home / 3,784.34-5,679.95-1,936.73

Finding the Fourth Proportional to 3,784.34, 5,679.95 and 1,936.73

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Solution

The fourth proportional to 3,784.34, 5,679.95 and 1,936.73 is: 2,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.34 : 5,679.95 = 1,936.73 : x
  2. Step 2: Convert to fraction form
    3,784.34/5,679.95 = 1,936.73/x
  3. Step 3: Cross multiply
    3,784.34x = 5,679.95 × 1,936.73
  4. Step 4: Simplify right side
    3,784.34x = 11,000,491.48
  5. Step 5: Solve for x
    x = 11,000,491.48/3,784.34
  6. Step 6: Final answer
    x = 2,906.85

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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.