Home / 3,776.29-5,668.56-2,786.02

Finding the Fourth Proportional to 3,776.29, 5,668.56 and 2,786.02

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Solution

The fourth proportional to 3,776.29, 5,668.56 and 2,786.02 is: 4,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.29 : 5,668.56 = 2,786.02 : x
  2. Step 2: Convert to fraction form
    3,776.29/5,668.56 = 2,786.02/x
  3. Step 3: Cross multiply
    3,776.29x = 5,668.56 × 2,786.02
  4. Step 4: Simplify right side
    3,776.29x = 15,792,707.36
  5. Step 5: Solve for x
    x = 15,792,707.36/3,776.29
  6. Step 6: Final answer
    x = 4,182.07

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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.