Home / 3,939.14-5,900.61-2,845.70

Finding the Fourth Proportional to 3,939.14, 5,900.61 and 2,845.70

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Solution

The fourth proportional to 3,939.14, 5,900.61 and 2,845.70 is: 4,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.14 : 5,900.61 = 2,845.70 : x
  2. Step 2: Convert to fraction form
    3,939.14/5,900.61 = 2,845.70/x
  3. Step 3: Cross multiply
    3,939.14x = 5,900.61 × 2,845.70
  4. Step 4: Simplify right side
    3,939.14x = 16,791,365.88
  5. Step 5: Solve for x
    x = 16,791,365.88/3,939.14
  6. Step 6: Final answer
    x = 4,262.70

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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.