Home / 3,964.29-5,470.37-2,195.43

Finding the Fourth Proportional to 3,964.29, 5,470.37 and 2,195.43

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Solution

The fourth proportional to 3,964.29, 5,470.37 and 2,195.43 is: 3,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.29 : 5,470.37 = 2,195.43 : x
  2. Step 2: Convert to fraction form
    3,964.29/5,470.37 = 2,195.43/x
  3. Step 3: Cross multiply
    3,964.29x = 5,470.37 × 2,195.43
  4. Step 4: Simplify right side
    3,964.29x = 12,009,803.43
  5. Step 5: Solve for x
    x = 12,009,803.43/3,964.29
  6. Step 6: Final answer
    x = 3,029.50

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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.