Home / 3,976.14-5,964.30-1,379.07

Finding the Fourth Proportional to 3,976.14, 5,964.30 and 1,379.07

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Solution

The fourth proportional to 3,976.14, 5,964.30 and 1,379.07 is: 2,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.14 : 5,964.30 = 1,379.07 : x
  2. Step 2: Convert to fraction form
    3,976.14/5,964.30 = 1,379.07/x
  3. Step 3: Cross multiply
    3,976.14x = 5,964.30 × 1,379.07
  4. Step 4: Simplify right side
    3,976.14x = 8,225,187.20
  5. Step 5: Solve for x
    x = 8,225,187.20/3,976.14
  6. Step 6: Final answer
    x = 2,068.64

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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.