Home / 3,243.69-4,865.47-2,201.09

Finding the Fourth Proportional to 3,243.69, 4,865.47 and 2,201.09

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Solution

The fourth proportional to 3,243.69, 4,865.47 and 2,201.09 is: 3,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.69 : 4,865.47 = 2,201.09 : x
  2. Step 2: Convert to fraction form
    3,243.69/4,865.47 = 2,201.09/x
  3. Step 3: Cross multiply
    3,243.69x = 4,865.47 × 2,201.09
  4. Step 4: Simplify right side
    3,243.69x = 10,709,307.53
  5. Step 5: Solve for x
    x = 10,709,307.53/3,243.69
  6. Step 6: Final answer
    x = 3,301.58

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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.