Home / 3,718.58-5,131.67-2,039.97

Finding the Fourth Proportional to 3,718.58, 5,131.67 and 2,039.97

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Solution

The fourth proportional to 3,718.58, 5,131.67 and 2,039.97 is: 2,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.58 : 5,131.67 = 2,039.97 : x
  2. Step 2: Convert to fraction form
    3,718.58/5,131.67 = 2,039.97/x
  3. Step 3: Cross multiply
    3,718.58x = 5,131.67 × 2,039.97
  4. Step 4: Simplify right side
    3,718.58x = 10,468,452.85
  5. Step 5: Solve for x
    x = 10,468,452.85/3,718.58
  6. Step 6: Final answer
    x = 2,815.17

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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.