Home / 3,680.44-5,522.82-2,639.32

Finding the Fourth Proportional to 3,680.44, 5,522.82 and 2,639.32

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Solution

The fourth proportional to 3,680.44, 5,522.82 and 2,639.32 is: 3,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.44 : 5,522.82 = 2,639.32 : x
  2. Step 2: Convert to fraction form
    3,680.44/5,522.82 = 2,639.32/x
  3. Step 3: Cross multiply
    3,680.44x = 5,522.82 × 2,639.32
  4. Step 4: Simplify right side
    3,680.44x = 14,576,489.28
  5. Step 5: Solve for x
    x = 14,576,489.28/3,680.44
  6. Step 6: Final answer
    x = 3,960.53

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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.