Home / 3,784.08-5,679.53-1,936.47

Finding the Fourth Proportional to 3,784.08, 5,679.53 and 1,936.47

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Solution

The fourth proportional to 3,784.08, 5,679.53 and 1,936.47 is: 2,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.08 : 5,679.53 = 1,936.47 : x
  2. Step 2: Convert to fraction form
    3,784.08/5,679.53 = 1,936.47/x
  3. Step 3: Cross multiply
    3,784.08x = 5,679.53 × 1,936.47
  4. Step 4: Simplify right side
    3,784.08x = 10,998,229.78
  5. Step 5: Solve for x
    x = 10,998,229.78/3,784.08
  6. Step 6: Final answer
    x = 2,906.45

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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.