Home / 3,681.33-5,520.25-1,083.75

Finding the Fourth Proportional to 3,681.33, 5,520.25 and 1,083.75

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Solution

The fourth proportional to 3,681.33, 5,520.25 and 1,083.75 is: 1,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.33 : 5,520.25 = 1,083.75 : x
  2. Step 2: Convert to fraction form
    3,681.33/5,520.25 = 1,083.75/x
  3. Step 3: Cross multiply
    3,681.33x = 5,520.25 × 1,083.75
  4. Step 4: Simplify right side
    3,681.33x = 5,982,570.94
  5. Step 5: Solve for x
    x = 5,982,570.94/3,681.33
  6. Step 6: Final answer
    x = 1,625.11

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1.5x scale

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.