Home / 3,930.48-5,896.13-1,739.70

Finding the Fourth Proportional to 3,930.48, 5,896.13 and 1,739.70

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Solution

The fourth proportional to 3,930.48, 5,896.13 and 1,739.70 is: 2,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.48 : 5,896.13 = 1,739.70 : x
  2. Step 2: Convert to fraction form
    3,930.48/5,896.13 = 1,739.70/x
  3. Step 3: Cross multiply
    3,930.48x = 5,896.13 × 1,739.70
  4. Step 4: Simplify right side
    3,930.48x = 10,257,488.66
  5. Step 5: Solve for x
    x = 10,257,488.66/3,930.48
  6. Step 6: Final answer
    x = 2,609.73

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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.