Home / 2,694.13-3,719.73-1,986.06

Finding the Fourth Proportional to 2,694.13, 3,719.73 and 1,986.06

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Solution

The fourth proportional to 2,694.13, 3,719.73 and 1,986.06 is: 2,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.13 : 3,719.73 = 1,986.06 : x
  2. Step 2: Convert to fraction form
    2,694.13/3,719.73 = 1,986.06/x
  3. Step 3: Cross multiply
    2,694.13x = 3,719.73 × 1,986.06
  4. Step 4: Simplify right side
    2,694.13x = 7,387,606.96
  5. Step 5: Solve for x
    x = 7,387,606.96/2,694.13
  6. Step 6: Final answer
    x = 2,742.11

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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.