Home / 2,519.10-3,772.78-2,207.69

Finding the Fourth Proportional to 2,519.10, 3,772.78 and 2,207.69

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Solution

The fourth proportional to 2,519.10, 3,772.78 and 2,207.69 is: 3,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.10 : 3,772.78 = 2,207.69 : x
  2. Step 2: Convert to fraction form
    2,519.10/3,772.78 = 2,207.69/x
  3. Step 3: Cross multiply
    2,519.10x = 3,772.78 × 2,207.69
  4. Step 4: Simplify right side
    2,519.10x = 8,329,118.44
  5. Step 5: Solve for x
    x = 8,329,118.44/2,519.10
  6. Step 6: Final answer
    x = 3,306.39

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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.