Home / 3,786.27-5,679.44-1,705.17

Finding the Fourth Proportional to 3,786.27, 5,679.44 and 1,705.17

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Solution

The fourth proportional to 3,786.27, 5,679.44 and 1,705.17 is: 2,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.27 : 5,679.44 = 1,705.17 : x
  2. Step 2: Convert to fraction form
    3,786.27/5,679.44 = 1,705.17/x
  3. Step 3: Cross multiply
    3,786.27x = 5,679.44 × 1,705.17
  4. Step 4: Simplify right side
    3,786.27x = 9,684,410.70
  5. Step 5: Solve for x
    x = 9,684,410.70/3,786.27
  6. Step 6: Final answer
    x = 2,557.77

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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.