Home / 3,689.82-5,533.97-1,092.15

Finding the Fourth Proportional to 3,689.82, 5,533.97 and 1,092.15

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Solution

The fourth proportional to 3,689.82, 5,533.97 and 1,092.15 is: 1,638.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.82 : 5,533.97 = 1,092.15 : x
  2. Step 2: Convert to fraction form
    3,689.82/5,533.97 = 1,092.15/x
  3. Step 3: Cross multiply
    3,689.82x = 5,533.97 × 1,092.15
  4. Step 4: Simplify right side
    3,689.82x = 6,043,919.87
  5. Step 5: Solve for x
    x = 6,043,919.87/3,689.82
  6. Step 6: Final answer
    x = 1,638.00

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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.