Home / 3,929.73-5,896.62-1,739.90

Finding the Fourth Proportional to 3,929.73, 5,896.62 and 1,739.90

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Solution

The fourth proportional to 3,929.73, 5,896.62 and 1,739.90 is: 2,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.73 : 5,896.62 = 1,739.90 : x
  2. Step 2: Convert to fraction form
    3,929.73/5,896.62 = 1,739.90/x
  3. Step 3: Cross multiply
    3,929.73x = 5,896.62 × 1,739.90
  4. Step 4: Simplify right side
    3,929.73x = 10,259,499.65
  5. Step 5: Solve for x
    x = 10,259,499.65/3,929.73
  6. Step 6: Final answer
    x = 2,610.74

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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.