Home / 3,067.52-4,605.60-2,091.20

Finding the Fourth Proportional to 3,067.52, 4,605.60 and 2,091.20

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Solution

The fourth proportional to 3,067.52, 4,605.60 and 2,091.20 is: 3,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.52 : 4,605.60 = 2,091.20 : x
  2. Step 2: Convert to fraction form
    3,067.52/4,605.60 = 2,091.20/x
  3. Step 3: Cross multiply
    3,067.52x = 4,605.60 × 2,091.20
  4. Step 4: Simplify right side
    3,067.52x = 9,631,230.72
  5. Step 5: Solve for x
    x = 9,631,230.72/3,067.52
  6. Step 6: Final answer
    x = 3,139.75

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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.