Home / 3,315.97-4,975.09-2,081.94

Finding the Fourth Proportional to 3,315.97, 4,975.09 and 2,081.94

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Solution

The fourth proportional to 3,315.97, 4,975.09 and 2,081.94 is: 3,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.97 : 4,975.09 = 2,081.94 : x
  2. Step 2: Convert to fraction form
    3,315.97/4,975.09 = 2,081.94/x
  3. Step 3: Cross multiply
    3,315.97x = 4,975.09 × 2,081.94
  4. Step 4: Simplify right side
    3,315.97x = 10,357,815.01
  5. Step 5: Solve for x
    x = 10,357,815.01/3,315.97
  6. Step 6: Final answer
    x = 3,123.61

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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.