Home / 3,976.26-5,964.39-1,379.19

Finding the Fourth Proportional to 3,976.26, 5,964.39 and 1,379.19

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Solution

The fourth proportional to 3,976.26, 5,964.39 and 1,379.19 is: 2,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.26 : 5,964.39 = 1,379.19 : x
  2. Step 2: Convert to fraction form
    3,976.26/5,964.39 = 1,379.19/x
  3. Step 3: Cross multiply
    3,976.26x = 5,964.39 × 1,379.19
  4. Step 4: Simplify right side
    3,976.26x = 8,226,027.04
  5. Step 5: Solve for x
    x = 8,226,027.04/3,976.26
  6. Step 6: Final answer
    x = 2,068.79

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Similar ratio
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1.5x scale

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.