Home / 3,134.45-4,695.60-2,150.30

Finding the Fourth Proportional to 3,134.45, 4,695.60 and 2,150.30

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Solution

The fourth proportional to 3,134.45, 4,695.60 and 2,150.30 is: 3,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.45 : 4,695.60 = 2,150.30 : x
  2. Step 2: Convert to fraction form
    3,134.45/4,695.60 = 2,150.30/x
  3. Step 3: Cross multiply
    3,134.45x = 4,695.60 × 2,150.30
  4. Step 4: Simplify right side
    3,134.45x = 10,096,948.68
  5. Step 5: Solve for x
    x = 10,096,948.68/3,134.45
  6. Step 6: Final answer
    x = 3,221.28

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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.