Home / 3,012.26-4,520.00-1,139.44

Finding the Fourth Proportional to 3,012.26, 4,520.00 and 1,139.44

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Solution

The fourth proportional to 3,012.26, 4,520.00 and 1,139.44 is: 1,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.26 : 4,520.00 = 1,139.44 : x
  2. Step 2: Convert to fraction form
    3,012.26/4,520.00 = 1,139.44/x
  3. Step 3: Cross multiply
    3,012.26x = 4,520.00 × 1,139.44
  4. Step 4: Simplify right side
    3,012.26x = 5,150,281.54
  5. Step 5: Solve for x
    x = 5,150,281.54/3,012.26
  6. Step 6: Final answer
    x = 1,709.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.