Home / 3,372.78-4,654.46-1,880.73

Finding the Fourth Proportional to 3,372.78, 4,654.46 and 1,880.73

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Solution

The fourth proportional to 3,372.78, 4,654.46 and 1,880.73 is: 2,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.78 : 4,654.46 = 1,880.73 : x
  2. Step 2: Convert to fraction form
    3,372.78/4,654.46 = 1,880.73/x
  3. Step 3: Cross multiply
    3,372.78x = 4,654.46 × 1,880.73
  4. Step 4: Simplify right side
    3,372.78x = 8,753,773.15
  5. Step 5: Solve for x
    x = 8,753,773.15/3,372.78
  6. Step 6: Final answer
    x = 2,595.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.