Home / 3,675.22-5,512.82-1,209.36

Finding the Fourth Proportional to 3,675.22, 5,512.82 and 1,209.36

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Solution

The fourth proportional to 3,675.22, 5,512.82 and 1,209.36 is: 1,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.22 : 5,512.82 = 1,209.36 : x
  2. Step 2: Convert to fraction form
    3,675.22/5,512.82 = 1,209.36/x
  3. Step 3: Cross multiply
    3,675.22x = 5,512.82 × 1,209.36
  4. Step 4: Simplify right side
    3,675.22x = 6,666,984.00
  5. Step 5: Solve for x
    x = 6,666,984.00/3,675.22
  6. Step 6: Final answer
    x = 1,814.04

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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.