Home / 3,414.91-5,121.68-1,770.56

Finding the Fourth Proportional to 3,414.91, 5,121.68 and 1,770.56

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Solution

The fourth proportional to 3,414.91, 5,121.68 and 1,770.56 is: 2,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.91 : 5,121.68 = 1,770.56 : x
  2. Step 2: Convert to fraction form
    3,414.91/5,121.68 = 1,770.56/x
  3. Step 3: Cross multiply
    3,414.91x = 5,121.68 × 1,770.56
  4. Step 4: Simplify right side
    3,414.91x = 9,068,236.45
  5. Step 5: Solve for x
    x = 9,068,236.45/3,414.91
  6. Step 6: Final answer
    x = 2,655.48

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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.