Home / 3,951.27-5,924.91-1,317.84

Finding the Fourth Proportional to 3,951.27, 5,924.91 and 1,317.84

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Solution

The fourth proportional to 3,951.27, 5,924.91 and 1,317.84 is: 1,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.27 : 5,924.91 = 1,317.84 : x
  2. Step 2: Convert to fraction form
    3,951.27/5,924.91 = 1,317.84/x
  3. Step 3: Cross multiply
    3,951.27x = 5,924.91 × 1,317.84
  4. Step 4: Simplify right side
    3,951.27x = 7,808,083.39
  5. Step 5: Solve for x
    x = 7,808,083.39/3,951.27
  6. Step 6: Final answer
    x = 1,976.09

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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.