Home / 3,144.21-4,338.12-2,025.54

Finding the Fourth Proportional to 3,144.21, 4,338.12 and 2,025.54

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Solution

The fourth proportional to 3,144.21, 4,338.12 and 2,025.54 is: 2,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.21 : 4,338.12 = 2,025.54 : x
  2. Step 2: Convert to fraction form
    3,144.21/4,338.12 = 2,025.54/x
  3. Step 3: Cross multiply
    3,144.21x = 4,338.12 × 2,025.54
  4. Step 4: Simplify right side
    3,144.21x = 8,787,025.48
  5. Step 5: Solve for x
    x = 8,787,025.48/3,144.21
  6. Step 6: Final answer
    x = 2,794.67

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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.