Home / 3,221.09-4,834.75-1,556.38

Finding the Fourth Proportional to 3,221.09, 4,834.75 and 1,556.38

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Solution

The fourth proportional to 3,221.09, 4,834.75 and 1,556.38 is: 2,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.09 : 4,834.75 = 1,556.38 : x
  2. Step 2: Convert to fraction form
    3,221.09/4,834.75 = 1,556.38/x
  3. Step 3: Cross multiply
    3,221.09x = 4,834.75 × 1,556.38
  4. Step 4: Simplify right side
    3,221.09x = 7,524,692.23
  5. Step 5: Solve for x
    x = 7,524,692.23/3,221.09
  6. Step 6: Final answer
    x = 2,336.07

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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.