Home / 3,851.67-5,315.30-2,083.27

Finding the Fourth Proportional to 3,851.67, 5,315.30 and 2,083.27

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Solution

The fourth proportional to 3,851.67, 5,315.30 and 2,083.27 is: 2,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.67 : 5,315.30 = 2,083.27 : x
  2. Step 2: Convert to fraction form
    3,851.67/5,315.30 = 2,083.27/x
  3. Step 3: Cross multiply
    3,851.67x = 5,315.30 × 2,083.27
  4. Step 4: Simplify right side
    3,851.67x = 11,073,223.53
  5. Step 5: Solve for x
    x = 11,073,223.53/3,851.67
  6. Step 6: Final answer
    x = 2,874.92

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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.