Home / 2,254.22-3,381.34-1,157.88

Finding the Fourth Proportional to 2,254.22, 3,381.34 and 1,157.88

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Solution

The fourth proportional to 2,254.22, 3,381.34 and 1,157.88 is: 1,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.22 : 3,381.34 = 1,157.88 : x
  2. Step 2: Convert to fraction form
    2,254.22/3,381.34 = 1,157.88/x
  3. Step 3: Cross multiply
    2,254.22x = 3,381.34 × 1,157.88
  4. Step 4: Simplify right side
    2,254.22x = 3,915,185.96
  5. Step 5: Solve for x
    x = 3,915,185.96/2,254.22
  6. Step 6: Final answer
    x = 1,736.83

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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.