Home / 3,784.58-5,680.28-1,936.97

Finding the Fourth Proportional to 3,784.58, 5,680.28 and 1,936.97

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Solution

The fourth proportional to 3,784.58, 5,680.28 and 1,936.97 is: 2,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.58 : 5,680.28 = 1,936.97 : x
  2. Step 2: Convert to fraction form
    3,784.58/5,680.28 = 1,936.97/x
  3. Step 3: Cross multiply
    3,784.58x = 5,680.28 × 1,936.97
  4. Step 4: Simplify right side
    3,784.58x = 11,002,531.95
  5. Step 5: Solve for x
    x = 11,002,531.95/3,784.58
  6. Step 6: Final answer
    x = 2,907.20

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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.