Home / 3,144.06-4,712.31-2,218.23

Finding the Fourth Proportional to 3,144.06, 4,712.31 and 2,218.23

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Solution

The fourth proportional to 3,144.06, 4,712.31 and 2,218.23 is: 3,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.06 : 4,712.31 = 2,218.23 : x
  2. Step 2: Convert to fraction form
    3,144.06/4,712.31 = 2,218.23/x
  3. Step 3: Cross multiply
    3,144.06x = 4,712.31 × 2,218.23
  4. Step 4: Simplify right side
    3,144.06x = 10,452,987.41
  5. Step 5: Solve for x
    x = 10,452,987.41/3,144.06
  6. Step 6: Final answer
    x = 3,324.68

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1.5x scale

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.