Home / 3,213.24-4,423.94-2,799.06

Finding the Fourth Proportional to 3,213.24, 4,423.94 and 2,799.06

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Solution

The fourth proportional to 3,213.24, 4,423.94 and 2,799.06 is: 3,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.24 : 4,423.94 = 2,799.06 : x
  2. Step 2: Convert to fraction form
    3,213.24/4,423.94 = 2,799.06/x
  3. Step 3: Cross multiply
    3,213.24x = 4,423.94 × 2,799.06
  4. Step 4: Simplify right side
    3,213.24x = 12,382,873.50
  5. Step 5: Solve for x
    x = 12,382,873.50/3,213.24
  6. Step 6: Final answer
    x = 3,853.70

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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.