Home / 3,964.24-5,470.60-2,195.83

Finding the Fourth Proportional to 3,964.24, 5,470.60 and 2,195.83

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Solution

The fourth proportional to 3,964.24, 5,470.60 and 2,195.83 is: 3,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.24 : 5,470.60 = 2,195.83 : x
  2. Step 2: Convert to fraction form
    3,964.24/5,470.60 = 2,195.83/x
  3. Step 3: Cross multiply
    3,964.24x = 5,470.60 × 2,195.83
  4. Step 4: Simplify right side
    3,964.24x = 12,012,469.27
  5. Step 5: Solve for x
    x = 12,012,469.27/3,964.24
  6. Step 6: Final answer
    x = 3,030.21

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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.