Home / 3,401.52-4,694.13-1,986.09

Finding the Fourth Proportional to 3,401.52, 4,694.13 and 1,986.09

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Solution

The fourth proportional to 3,401.52, 4,694.13 and 1,986.09 is: 2,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.52 : 4,694.13 = 1,986.09 : x
  2. Step 2: Convert to fraction form
    3,401.52/4,694.13 = 1,986.09/x
  3. Step 3: Cross multiply
    3,401.52x = 4,694.13 × 1,986.09
  4. Step 4: Simplify right side
    3,401.52x = 9,322,964.65
  5. Step 5: Solve for x
    x = 9,322,964.65/3,401.52
  6. Step 6: Final answer
    x = 2,740.82

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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.