Home / 3,551.42-5,329.56-2,511.38

Finding the Fourth Proportional to 3,551.42, 5,329.56 and 2,511.38

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Solution

The fourth proportional to 3,551.42, 5,329.56 and 2,511.38 is: 3,768.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.42 : 5,329.56 = 2,511.38 : x
  2. Step 2: Convert to fraction form
    3,551.42/5,329.56 = 2,511.38/x
  3. Step 3: Cross multiply
    3,551.42x = 5,329.56 × 2,511.38
  4. Step 4: Simplify right side
    3,551.42x = 13,384,550.39
  5. Step 5: Solve for x
    x = 13,384,550.39/3,551.42
  6. Step 6: Final answer
    x = 3,768.79

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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.