Home / 3,683.28-5,525.97-1,086.21

Finding the Fourth Proportional to 3,683.28, 5,525.97 and 1,086.21

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Solution

The fourth proportional to 3,683.28, 5,525.97 and 1,086.21 is: 1,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.28 : 5,525.97 = 1,086.21 : x
  2. Step 2: Convert to fraction form
    3,683.28/5,525.97 = 1,086.21/x
  3. Step 3: Cross multiply
    3,683.28x = 5,525.97 × 1,086.21
  4. Step 4: Simplify right side
    3,683.28x = 6,002,363.87
  5. Step 5: Solve for x
    x = 6,002,363.87/3,683.28
  6. Step 6: Final answer
    x = 1,629.62

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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.