Home / 3,049.20-4,208.20-2,199.15

Finding the Fourth Proportional to 3,049.20, 4,208.20 and 2,199.15

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Solution

The fourth proportional to 3,049.20, 4,208.20 and 2,199.15 is: 3,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.20 : 4,208.20 = 2,199.15 : x
  2. Step 2: Convert to fraction form
    3,049.20/4,208.20 = 2,199.15/x
  3. Step 3: Cross multiply
    3,049.20x = 4,208.20 × 2,199.15
  4. Step 4: Simplify right side
    3,049.20x = 9,254,463.03
  5. Step 5: Solve for x
    x = 9,254,463.03/3,049.20
  6. Step 6: Final answer
    x = 3,035.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.