Home / 3,021.82-4,534.66-1,290.44

Finding the Fourth Proportional to 3,021.82, 4,534.66 and 1,290.44

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Solution

The fourth proportional to 3,021.82, 4,534.66 and 1,290.44 is: 1,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.82 : 4,534.66 = 1,290.44 : x
  2. Step 2: Convert to fraction form
    3,021.82/4,534.66 = 1,290.44/x
  3. Step 3: Cross multiply
    3,021.82x = 4,534.66 × 1,290.44
  4. Step 4: Simplify right side
    3,021.82x = 5,851,706.65
  5. Step 5: Solve for x
    x = 5,851,706.65/3,021.82
  6. Step 6: Final answer
    x = 1,936.48

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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.