Home / 2,631.07-3,942.84-1,932.25

Finding the Fourth Proportional to 2,631.07, 3,942.84 and 1,932.25

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Solution

The fourth proportional to 2,631.07, 3,942.84 and 1,932.25 is: 2,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.07 : 3,942.84 = 1,932.25 : x
  2. Step 2: Convert to fraction form
    2,631.07/3,942.84 = 1,932.25/x
  3. Step 3: Cross multiply
    2,631.07x = 3,942.84 × 1,932.25
  4. Step 4: Simplify right side
    2,631.07x = 7,618,552.59
  5. Step 5: Solve for x
    x = 7,618,552.59/2,631.07
  6. Step 6: Final answer
    x = 2,895.61

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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.