Home / 3,654.18-5,481.58-1,188.95

Finding the Fourth Proportional to 3,654.18, 5,481.58 and 1,188.95

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Solution

The fourth proportional to 3,654.18, 5,481.58 and 1,188.95 is: 1,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.18 : 5,481.58 = 1,188.95 : x
  2. Step 2: Convert to fraction form
    3,654.18/5,481.58 = 1,188.95/x
  3. Step 3: Cross multiply
    3,654.18x = 5,481.58 × 1,188.95
  4. Step 4: Simplify right side
    3,654.18x = 6,517,324.54
  5. Step 5: Solve for x
    x = 6,517,324.54/3,654.18
  6. Step 6: Final answer
    x = 1,783.53

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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.