Home / 3,964.06-5,470.40-2,171.54

Finding the Fourth Proportional to 3,964.06, 5,470.40 and 2,171.54

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Solution

The fourth proportional to 3,964.06, 5,470.40 and 2,171.54 is: 2,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.06 : 5,470.40 = 2,171.54 : x
  2. Step 2: Convert to fraction form
    3,964.06/5,470.40 = 2,171.54/x
  3. Step 3: Cross multiply
    3,964.06x = 5,470.40 × 2,171.54
  4. Step 4: Simplify right side
    3,964.06x = 11,879,211.52
  5. Step 5: Solve for x
    x = 11,879,211.52/3,964.06
  6. Step 6: Final answer
    x = 2,996.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.