Home / 2,254.20-3,381.24-1,157.94

Finding the Fourth Proportional to 2,254.20, 3,381.24 and 1,157.94

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Solution

The fourth proportional to 2,254.20, 3,381.24 and 1,157.94 is: 1,736.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.20 : 3,381.24 = 1,157.94 : x
  2. Step 2: Convert to fraction form
    2,254.20/3,381.24 = 1,157.94/x
  3. Step 3: Cross multiply
    2,254.20x = 3,381.24 × 1,157.94
  4. Step 4: Simplify right side
    2,254.20x = 3,915,273.05
  5. Step 5: Solve for x
    x = 3,915,273.05/2,254.20
  6. Step 6: Final answer
    x = 1,736.88

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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.