Home / 3,630.88-5,447.91-2,816.22

Finding the Fourth Proportional to 3,630.88, 5,447.91 and 2,816.22

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Solution

The fourth proportional to 3,630.88, 5,447.91 and 2,816.22 is: 4,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.88 : 5,447.91 = 2,816.22 : x
  2. Step 2: Convert to fraction form
    3,630.88/5,447.91 = 2,816.22/x
  3. Step 3: Cross multiply
    3,630.88x = 5,447.91 × 2,816.22
  4. Step 4: Simplify right side
    3,630.88x = 15,342,497.60
  5. Step 5: Solve for x
    x = 15,342,497.60/3,630.88
  6. Step 6: Final answer
    x = 4,225.56

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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.