Home / 2,289.66-3,428.88-2,067.79

Finding the Fourth Proportional to 2,289.66, 3,428.88 and 2,067.79

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Solution

The fourth proportional to 2,289.66, 3,428.88 and 2,067.79 is: 3,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.66 : 3,428.88 = 2,067.79 : x
  2. Step 2: Convert to fraction form
    2,289.66/3,428.88 = 2,067.79/x
  3. Step 3: Cross multiply
    2,289.66x = 3,428.88 × 2,067.79
  4. Step 4: Simplify right side
    2,289.66x = 7,090,186.63
  5. Step 5: Solve for x
    x = 7,090,186.63/2,289.66
  6. Step 6: Final answer
    x = 3,096.62

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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.