Home / 3,138.96-4,334.67-2,351.64

Finding the Fourth Proportional to 3,138.96, 4,334.67 and 2,351.64

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Solution

The fourth proportional to 3,138.96, 4,334.67 and 2,351.64 is: 3,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.96 : 4,334.67 = 2,351.64 : x
  2. Step 2: Convert to fraction form
    3,138.96/4,334.67 = 2,351.64/x
  3. Step 3: Cross multiply
    3,138.96x = 4,334.67 × 2,351.64
  4. Step 4: Simplify right side
    3,138.96x = 10,193,583.36
  5. Step 5: Solve for x
    x = 10,193,583.36/3,138.96
  6. Step 6: Final answer
    x = 3,247.44

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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.