Home / 3,087.20-4,627.56-2,221.04

Finding the Fourth Proportional to 3,087.20, 4,627.56 and 2,221.04

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Solution

The fourth proportional to 3,087.20, 4,627.56 and 2,221.04 is: 3,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.20 : 4,627.56 = 2,221.04 : x
  2. Step 2: Convert to fraction form
    3,087.20/4,627.56 = 2,221.04/x
  3. Step 3: Cross multiply
    3,087.20x = 4,627.56 × 2,221.04
  4. Step 4: Simplify right side
    3,087.20x = 10,277,995.86
  5. Step 5: Solve for x
    x = 10,277,995.86/3,087.20
  6. Step 6: Final answer
    x = 3,329.23

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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.