Home / 3,168.89-4,750.91-1,936.88

Finding the Fourth Proportional to 3,168.89, 4,750.91 and 1,936.88

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Solution

The fourth proportional to 3,168.89, 4,750.91 and 1,936.88 is: 2,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.89 : 4,750.91 = 1,936.88 : x
  2. Step 2: Convert to fraction form
    3,168.89/4,750.91 = 1,936.88/x
  3. Step 3: Cross multiply
    3,168.89x = 4,750.91 × 1,936.88
  4. Step 4: Simplify right side
    3,168.89x = 9,201,932.88
  5. Step 5: Solve for x
    x = 9,201,932.88/3,168.89
  6. Step 6: Final answer
    x = 2,903.83

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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.