Home / 2,239.38-3,092.31-2,165.94

Finding the Fourth Proportional to 2,239.38, 3,092.31 and 2,165.94

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Solution

The fourth proportional to 2,239.38, 3,092.31 and 2,165.94 is: 2,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.38 : 3,092.31 = 2,165.94 : x
  2. Step 2: Convert to fraction form
    2,239.38/3,092.31 = 2,165.94/x
  3. Step 3: Cross multiply
    2,239.38x = 3,092.31 × 2,165.94
  4. Step 4: Simplify right side
    2,239.38x = 6,697,757.92
  5. Step 5: Solve for x
    x = 6,697,757.92/2,239.38
  6. Step 6: Final answer
    x = 2,990.90

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1.5x scale

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.