Home / 3,949.83-5,451.62-2,693.88

Finding the Fourth Proportional to 3,949.83, 5,451.62 and 2,693.88

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Solution

The fourth proportional to 3,949.83, 5,451.62 and 2,693.88 is: 3,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.83 : 5,451.62 = 2,693.88 : x
  2. Step 2: Convert to fraction form
    3,949.83/5,451.62 = 2,693.88/x
  3. Step 3: Cross multiply
    3,949.83x = 5,451.62 × 2,693.88
  4. Step 4: Simplify right side
    3,949.83x = 14,686,010.09
  5. Step 5: Solve for x
    x = 14,686,010.09/3,949.83
  6. Step 6: Final answer
    x = 3,718.14

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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.