Home / 3,371.78-4,653.75-2,311.69

Finding the Fourth Proportional to 3,371.78, 4,653.75 and 2,311.69

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Solution

The fourth proportional to 3,371.78, 4,653.75 and 2,311.69 is: 3,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.78 : 4,653.75 = 2,311.69 : x
  2. Step 2: Convert to fraction form
    3,371.78/4,653.75 = 2,311.69/x
  3. Step 3: Cross multiply
    3,371.78x = 4,653.75 × 2,311.69
  4. Step 4: Simplify right side
    3,371.78x = 10,758,033.10
  5. Step 5: Solve for x
    x = 10,758,033.10/3,371.78
  6. Step 6: Final answer
    x = 3,190.61

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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.