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Finding the Fourth Proportional to 2,255.34, 3,380.48 and 1,607.34

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Solution

The fourth proportional to 2,255.34, 3,380.48 and 1,607.34 is: 2,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.34 : 3,380.48 = 1,607.34 : x
  2. Step 2: Convert to fraction form
    2,255.34/3,380.48 = 1,607.34/x
  3. Step 3: Cross multiply
    2,255.34x = 3,380.48 × 1,607.34
  4. Step 4: Simplify right side
    2,255.34x = 5,433,580.72
  5. Step 5: Solve for x
    x = 5,433,580.72/2,255.34
  6. Step 6: Final answer
    x = 2,409.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.