Home / 3,086.20-4,626.06-2,220.04

Finding the Fourth Proportional to 3,086.20, 4,626.06 and 2,220.04

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Solution

The fourth proportional to 3,086.20, 4,626.06 and 2,220.04 is: 3,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.20 : 4,626.06 = 2,220.04 : x
  2. Step 2: Convert to fraction form
    3,086.20/4,626.06 = 2,220.04/x
  3. Step 3: Cross multiply
    3,086.20x = 4,626.06 × 2,220.04
  4. Step 4: Simplify right side
    3,086.20x = 10,270,038.24
  5. Step 5: Solve for x
    x = 10,270,038.24/3,086.20
  6. Step 6: Final answer
    x = 3,327.73

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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.