Home / 3,654.79-5,481.37-2,194.36

Finding the Fourth Proportional to 3,654.79, 5,481.37 and 2,194.36

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Solution

The fourth proportional to 3,654.79, 5,481.37 and 2,194.36 is: 3,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.79 : 5,481.37 = 2,194.36 : x
  2. Step 2: Convert to fraction form
    3,654.79/5,481.37 = 2,194.36/x
  3. Step 3: Cross multiply
    3,654.79x = 5,481.37 × 2,194.36
  4. Step 4: Simplify right side
    3,654.79x = 12,028,099.07
  5. Step 5: Solve for x
    x = 12,028,099.07/3,654.79
  6. Step 6: Final answer
    x = 3,291.05

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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.