Home / 3,964.48-5,470.76-2,195.98

Finding the Fourth Proportional to 3,964.48, 5,470.76 and 2,195.98

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Solution

The fourth proportional to 3,964.48, 5,470.76 and 2,195.98 is: 3,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.48 : 5,470.76 = 2,195.98 : x
  2. Step 2: Convert to fraction form
    3,964.48/5,470.76 = 2,195.98/x
  3. Step 3: Cross multiply
    3,964.48x = 5,470.76 × 2,195.98
  4. Step 4: Simplify right side
    3,964.48x = 12,013,679.54
  5. Step 5: Solve for x
    x = 12,013,679.54/3,964.48
  6. Step 6: Final answer
    x = 3,030.33

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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.