Home / 3,486.82-5,229.52-1,020.98

Finding the Fourth Proportional to 3,486.82, 5,229.52 and 1,020.98

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Solution

The fourth proportional to 3,486.82, 5,229.52 and 1,020.98 is: 1,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.82 : 5,229.52 = 1,020.98 : x
  2. Step 2: Convert to fraction form
    3,486.82/5,229.52 = 1,020.98/x
  3. Step 3: Cross multiply
    3,486.82x = 5,229.52 × 1,020.98
  4. Step 4: Simplify right side
    3,486.82x = 5,339,206.63
  5. Step 5: Solve for x
    x = 5,339,206.63/3,486.82
  6. Step 6: Final answer
    x = 1,531.25

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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.