Home / 3,627.81-5,450.09-3,480.26

Finding the Fourth Proportional to 3,627.81, 5,450.09 and 3,480.26

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Solution

The fourth proportional to 3,627.81, 5,450.09 and 3,480.26 is: 5,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.81 : 5,450.09 = 3,480.26 : x
  2. Step 2: Convert to fraction form
    3,627.81/5,450.09 = 3,480.26/x
  3. Step 3: Cross multiply
    3,627.81x = 5,450.09 × 3,480.26
  4. Step 4: Simplify right side
    3,627.81x = 18,967,685.57
  5. Step 5: Solve for x
    x = 18,967,685.57/3,627.81
  6. Step 6: Final answer
    x = 5,228.41

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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.