Home / 2,289.15-3,428.13-2,067.29

Finding the Fourth Proportional to 2,289.15, 3,428.13 and 2,067.29

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Solution

The fourth proportional to 2,289.15, 3,428.13 and 2,067.29 is: 3,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.15 : 3,428.13 = 2,067.29 : x
  2. Step 2: Convert to fraction form
    2,289.15/3,428.13 = 2,067.29/x
  3. Step 3: Cross multiply
    2,289.15x = 3,428.13 × 2,067.29
  4. Step 4: Simplify right side
    2,289.15x = 7,086,926.01
  5. Step 5: Solve for x
    x = 7,086,926.01/2,289.15
  6. Step 6: Final answer
    x = 3,095.87

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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.