Home / 3,691.77-5,538.58-1,226.60

Finding the Fourth Proportional to 3,691.77, 5,538.58 and 1,226.60

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Solution

The fourth proportional to 3,691.77, 5,538.58 and 1,226.60 is: 1,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.77 : 5,538.58 = 1,226.60 : x
  2. Step 2: Convert to fraction form
    3,691.77/5,538.58 = 1,226.60/x
  3. Step 3: Cross multiply
    3,691.77x = 5,538.58 × 1,226.60
  4. Step 4: Simplify right side
    3,691.77x = 6,793,594.54
  5. Step 5: Solve for x
    x = 6,793,594.54/3,691.77
  6. Step 6: Final answer
    x = 1,840.20

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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.