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Finding the Fourth Proportional to 3,067.53, 4,235.07 and 1,890.20

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Solution

The fourth proportional to 3,067.53, 4,235.07 and 1,890.20 is: 2,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.53 : 4,235.07 = 1,890.20 : x
  2. Step 2: Convert to fraction form
    3,067.53/4,235.07 = 1,890.20/x
  3. Step 3: Cross multiply
    3,067.53x = 4,235.07 × 1,890.20
  4. Step 4: Simplify right side
    3,067.53x = 8,005,129.31
  5. Step 5: Solve for x
    x = 8,005,129.31/3,067.53
  6. Step 6: Final answer
    x = 2,609.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.