Home / 3,976.46-5,964.67-1,379.40

Finding the Fourth Proportional to 3,976.46, 5,964.67 and 1,379.40

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Solution

The fourth proportional to 3,976.46, 5,964.67 and 1,379.40 is: 2,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.46 : 5,964.67 = 1,379.40 : x
  2. Step 2: Convert to fraction form
    3,976.46/5,964.67 = 1,379.40/x
  3. Step 3: Cross multiply
    3,976.46x = 5,964.67 × 1,379.40
  4. Step 4: Simplify right side
    3,976.46x = 8,227,665.80
  5. Step 5: Solve for x
    x = 8,227,665.80/3,976.46
  6. Step 6: Final answer
    x = 2,069.09

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Similar ratio
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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.