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Finding the Fourth Proportional to 3,676.97, 5,515.35 and 1,485.62

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Solution

The fourth proportional to 3,676.97, 5,515.35 and 1,485.62 is: 2,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.97 : 5,515.35 = 1,485.62 : x
  2. Step 2: Convert to fraction form
    3,676.97/5,515.35 = 1,485.62/x
  3. Step 3: Cross multiply
    3,676.97x = 5,515.35 × 1,485.62
  4. Step 4: Simplify right side
    3,676.97x = 8,193,714.27
  5. Step 5: Solve for x
    x = 8,193,714.27/3,676.97
  6. Step 6: Final answer
    x = 2,228.39

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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.