Home / 3,366.20-5,049.30-1,722.20

Finding the Fourth Proportional to 3,366.20, 5,049.30 and 1,722.20

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Solution

The fourth proportional to 3,366.20, 5,049.30 and 1,722.20 is: 2,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.20 : 5,049.30 = 1,722.20 : x
  2. Step 2: Convert to fraction form
    3,366.20/5,049.30 = 1,722.20/x
  3. Step 3: Cross multiply
    3,366.20x = 5,049.30 × 1,722.20
  4. Step 4: Simplify right side
    3,366.20x = 8,695,904.46
  5. Step 5: Solve for x
    x = 8,695,904.46/3,366.20
  6. Step 6: Final answer
    x = 2,583.30

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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.