Home / 3,631.46-5,445.56-1,033.78

Finding the Fourth Proportional to 3,631.46, 5,445.56 and 1,033.78

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Solution

The fourth proportional to 3,631.46, 5,445.56 and 1,033.78 is: 1,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.46 : 5,445.56 = 1,033.78 : x
  2. Step 2: Convert to fraction form
    3,631.46/5,445.56 = 1,033.78/x
  3. Step 3: Cross multiply
    3,631.46x = 5,445.56 × 1,033.78
  4. Step 4: Simplify right side
    3,631.46x = 5,629,511.02
  5. Step 5: Solve for x
    x = 5,629,511.02/3,631.46
  6. Step 6: Final answer
    x = 1,550.21

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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.