Home / 3,144.60-4,329.18-2,676.12

Finding the Fourth Proportional to 3,144.60, 4,329.18 and 2,676.12

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Solution

The fourth proportional to 3,144.60, 4,329.18 and 2,676.12 is: 3,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.60 : 4,329.18 = 2,676.12 : x
  2. Step 2: Convert to fraction form
    3,144.60/4,329.18 = 2,676.12/x
  3. Step 3: Cross multiply
    3,144.60x = 4,329.18 × 2,676.12
  4. Step 4: Simplify right side
    3,144.60x = 11,585,405.18
  5. Step 5: Solve for x
    x = 11,585,405.18/3,144.60
  6. Step 6: Final answer
    x = 3,684.22

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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.