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Finding the Fourth Proportional to 3,653.78, 5,481.20 and 1,462.46

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Solution

The fourth proportional to 3,653.78, 5,481.20 and 1,462.46 is: 2,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.78 : 5,481.20 = 1,462.46 : x
  2. Step 2: Convert to fraction form
    3,653.78/5,481.20 = 1,462.46/x
  3. Step 3: Cross multiply
    3,653.78x = 5,481.20 × 1,462.46
  4. Step 4: Simplify right side
    3,653.78x = 8,016,012.00
  5. Step 5: Solve for x
    x = 8,016,012.00/3,653.78
  6. Step 6: Final answer
    x = 2,193.90

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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.