Home / 3,935.74-5,427.18-2,939.44

Finding the Fourth Proportional to 3,935.74, 5,427.18 and 2,939.44

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Solution

The fourth proportional to 3,935.74, 5,427.18 and 2,939.44 is: 4,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.74 : 5,427.18 = 2,939.44 : x
  2. Step 2: Convert to fraction form
    3,935.74/5,427.18 = 2,939.44/x
  3. Step 3: Cross multiply
    3,935.74x = 5,427.18 × 2,939.44
  4. Step 4: Simplify right side
    3,935.74x = 15,952,869.98
  5. Step 5: Solve for x
    x = 15,952,869.98/3,935.74
  6. Step 6: Final answer
    x = 4,053.33

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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.