Home / 2,289.99-3,162.30-2,167.23

Finding the Fourth Proportional to 2,289.99, 3,162.30 and 2,167.23

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Solution

The fourth proportional to 2,289.99, 3,162.30 and 2,167.23 is: 2,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.99 : 3,162.30 = 2,167.23 : x
  2. Step 2: Convert to fraction form
    2,289.99/3,162.30 = 2,167.23/x
  3. Step 3: Cross multiply
    2,289.99x = 3,162.30 × 2,167.23
  4. Step 4: Simplify right side
    2,289.99x = 6,853,431.43
  5. Step 5: Solve for x
    x = 6,853,431.43/2,289.99
  6. Step 6: Final answer
    x = 2,992.78

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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.