Home / 3,204.12-4,423.50-2,854.20

Finding the Fourth Proportional to 3,204.12, 4,423.50 and 2,854.20

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Solution

The fourth proportional to 3,204.12, 4,423.50 and 2,854.20 is: 3,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.12 : 4,423.50 = 2,854.20 : x
  2. Step 2: Convert to fraction form
    3,204.12/4,423.50 = 2,854.20/x
  3. Step 3: Cross multiply
    3,204.12x = 4,423.50 × 2,854.20
  4. Step 4: Simplify right side
    3,204.12x = 12,625,553.70
  5. Step 5: Solve for x
    x = 12,625,553.70/3,204.12
  6. Step 6: Final answer
    x = 3,940.41

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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.