Home / 3,479.55-5,220.83-2,309.97

Finding the Fourth Proportional to 3,479.55, 5,220.83 and 2,309.97

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Solution

The fourth proportional to 3,479.55, 5,220.83 and 2,309.97 is: 3,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.55 : 5,220.83 = 2,309.97 : x
  2. Step 2: Convert to fraction form
    3,479.55/5,220.83 = 2,309.97/x
  3. Step 3: Cross multiply
    3,479.55x = 5,220.83 × 2,309.97
  4. Step 4: Simplify right side
    3,479.55x = 12,059,949.13
  5. Step 5: Solve for x
    x = 12,059,949.13/3,479.55
  6. Step 6: Final answer
    x = 3,465.95

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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.