Home / 3,939.24-5,907.39-1,306.26

Finding the Fourth Proportional to 3,939.24, 5,907.39 and 1,306.26

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Solution

The fourth proportional to 3,939.24, 5,907.39 and 1,306.26 is: 1,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.24 : 5,907.39 = 1,306.26 : x
  2. Step 2: Convert to fraction form
    3,939.24/5,907.39 = 1,306.26/x
  3. Step 3: Cross multiply
    3,939.24x = 5,907.39 × 1,306.26
  4. Step 4: Simplify right side
    3,939.24x = 7,716,587.26
  5. Step 5: Solve for x
    x = 7,716,587.26/3,939.24
  6. Step 6: Final answer
    x = 1,958.90

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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.