Home / 2,859.30-3,950.97-2,231.41

Finding the Fourth Proportional to 2,859.30, 3,950.97 and 2,231.41

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Solution

The fourth proportional to 2,859.30, 3,950.97 and 2,231.41 is: 3,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.30 : 3,950.97 = 2,231.41 : x
  2. Step 2: Convert to fraction form
    2,859.30/3,950.97 = 2,231.41/x
  3. Step 3: Cross multiply
    2,859.30x = 3,950.97 × 2,231.41
  4. Step 4: Simplify right side
    2,859.30x = 8,816,233.97
  5. Step 5: Solve for x
    x = 8,816,233.97/2,859.30
  6. Step 6: Final answer
    x = 3,083.35

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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.