Home / 3,427.86-5,137.92-3,150.96

Finding the Fourth Proportional to 3,427.86, 5,137.92 and 3,150.96

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Solution

The fourth proportional to 3,427.86, 5,137.92 and 3,150.96 is: 4,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.86 : 5,137.92 = 3,150.96 : x
  2. Step 2: Convert to fraction form
    3,427.86/5,137.92 = 3,150.96/x
  3. Step 3: Cross multiply
    3,427.86x = 5,137.92 × 3,150.96
  4. Step 4: Simplify right side
    3,427.86x = 16,189,380.40
  5. Step 5: Solve for x
    x = 16,189,380.40/3,427.86
  6. Step 6: Final answer
    x = 4,722.88

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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.