Home / 3,550.53-5,322.78-1,989.27

Finding the Fourth Proportional to 3,550.53, 5,322.78 and 1,989.27

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Solution

The fourth proportional to 3,550.53, 5,322.78 and 1,989.27 is: 2,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.53 : 5,322.78 = 1,989.27 : x
  2. Step 2: Convert to fraction form
    3,550.53/5,322.78 = 1,989.27/x
  3. Step 3: Cross multiply
    3,550.53x = 5,322.78 × 1,989.27
  4. Step 4: Simplify right side
    3,550.53x = 10,588,446.57
  5. Step 5: Solve for x
    x = 10,588,446.57/3,550.53
  6. Step 6: Final answer
    x = 2,982.22

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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.