Home / 3,808.12-5,708.31-1,729.61

Finding the Fourth Proportional to 3,808.12, 5,708.31 and 1,729.61

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Solution

The fourth proportional to 3,808.12, 5,708.31 and 1,729.61 is: 2,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.12 : 5,708.31 = 1,729.61 : x
  2. Step 2: Convert to fraction form
    3,808.12/5,708.31 = 1,729.61/x
  3. Step 3: Cross multiply
    3,808.12x = 5,708.31 × 1,729.61
  4. Step 4: Simplify right side
    3,808.12x = 9,873,150.06
  5. Step 5: Solve for x
    x = 9,873,150.06/3,808.12
  6. Step 6: Final answer
    x = 2,592.66

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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.