Home / 3,135.88-4,325.94-1,939.96

Finding the Fourth Proportional to 3,135.88, 4,325.94 and 1,939.96

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Solution

The fourth proportional to 3,135.88, 4,325.94 and 1,939.96 is: 2,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.88 : 4,325.94 = 1,939.96 : x
  2. Step 2: Convert to fraction form
    3,135.88/4,325.94 = 1,939.96/x
  3. Step 3: Cross multiply
    3,135.88x = 4,325.94 × 1,939.96
  4. Step 4: Simplify right side
    3,135.88x = 8,392,150.56
  5. Step 5: Solve for x
    x = 8,392,150.56/3,135.88
  6. Step 6: Final answer
    x = 2,676.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.