Home / 3,629.45-5,440.37-1,522.28

Finding the Fourth Proportional to 3,629.45, 5,440.37 and 1,522.28

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Solution

The fourth proportional to 3,629.45, 5,440.37 and 1,522.28 is: 2,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.45 : 5,440.37 = 1,522.28 : x
  2. Step 2: Convert to fraction form
    3,629.45/5,440.37 = 1,522.28/x
  3. Step 3: Cross multiply
    3,629.45x = 5,440.37 × 1,522.28
  4. Step 4: Simplify right side
    3,629.45x = 8,281,766.44
  5. Step 5: Solve for x
    x = 8,281,766.44/3,629.45
  6. Step 6: Final answer
    x = 2,281.82

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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.