Home / 3,964.23-5,470.56-2,195.82

Finding the Fourth Proportional to 3,964.23, 5,470.56 and 2,195.82

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Solution

The fourth proportional to 3,964.23, 5,470.56 and 2,195.82 is: 3,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.23 : 5,470.56 = 2,195.82 : x
  2. Step 2: Convert to fraction form
    3,964.23/5,470.56 = 2,195.82/x
  3. Step 3: Cross multiply
    3,964.23x = 5,470.56 × 2,195.82
  4. Step 4: Simplify right side
    3,964.23x = 12,012,365.06
  5. Step 5: Solve for x
    x = 12,012,365.06/3,964.23
  6. Step 6: Final answer
    x = 3,030.19

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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.