Home / 3,976.63-5,964.94-1,668.13

Finding the Fourth Proportional to 3,976.63, 5,964.94 and 1,668.13

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Solution

The fourth proportional to 3,976.63, 5,964.94 and 1,668.13 is: 2,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.63 : 5,964.94 = 1,668.13 : x
  2. Step 2: Convert to fraction form
    3,976.63/5,964.94 = 1,668.13/x
  3. Step 3: Cross multiply
    3,976.63x = 5,964.94 × 1,668.13
  4. Step 4: Simplify right side
    3,976.63x = 9,950,295.36
  5. Step 5: Solve for x
    x = 9,950,295.36/3,976.63
  6. Step 6: Final answer
    x = 2,502.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.