Home / 3,683.45-5,517.07-2,855.23

Finding the Fourth Proportional to 3,683.45, 5,517.07 and 2,855.23

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Solution

The fourth proportional to 3,683.45, 5,517.07 and 2,855.23 is: 4,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.45 : 5,517.07 = 2,855.23 : x
  2. Step 2: Convert to fraction form
    3,683.45/5,517.07 = 2,855.23/x
  3. Step 3: Cross multiply
    3,683.45x = 5,517.07 × 2,855.23
  4. Step 4: Simplify right side
    3,683.45x = 15,752,503.78
  5. Step 5: Solve for x
    x = 15,752,503.78/3,683.45
  6. Step 6: Final answer
    x = 4,276.56

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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.