Home / 3,885.25-5,363.82-2,975.04

Finding the Fourth Proportional to 3,885.25, 5,363.82 and 2,975.04

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Solution

The fourth proportional to 3,885.25, 5,363.82 and 2,975.04 is: 4,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.25 : 5,363.82 = 2,975.04 : x
  2. Step 2: Convert to fraction form
    3,885.25/5,363.82 = 2,975.04/x
  3. Step 3: Cross multiply
    3,885.25x = 5,363.82 × 2,975.04
  4. Step 4: Simplify right side
    3,885.25x = 15,957,579.05
  5. Step 5: Solve for x
    x = 15,957,579.05/3,885.25
  6. Step 6: Final answer
    x = 4,107.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.