Home / 2,808.74-4,213.10-2,192.96

Finding the Fourth Proportional to 2,808.74, 4,213.10 and 2,192.96

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Solution

The fourth proportional to 2,808.74, 4,213.10 and 2,192.96 is: 3,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.74 : 4,213.10 = 2,192.96 : x
  2. Step 2: Convert to fraction form
    2,808.74/4,213.10 = 2,192.96/x
  3. Step 3: Cross multiply
    2,808.74x = 4,213.10 × 2,192.96
  4. Step 4: Simplify right side
    2,808.74x = 9,239,175.79
  5. Step 5: Solve for x
    x = 9,239,175.79/2,808.74
  6. Step 6: Final answer
    x = 3,289.43

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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.