Home / 3,192.20-4,792.82-1,808.24

Finding the Fourth Proportional to 3,192.20, 4,792.82 and 1,808.24

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Solution

The fourth proportional to 3,192.20, 4,792.82 and 1,808.24 is: 2,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.20 : 4,792.82 = 1,808.24 : x
  2. Step 2: Convert to fraction form
    3,192.20/4,792.82 = 1,808.24/x
  3. Step 3: Cross multiply
    3,192.20x = 4,792.82 × 1,808.24
  4. Step 4: Simplify right side
    3,192.20x = 8,666,571.78
  5. Step 5: Solve for x
    x = 8,666,571.78/3,192.20
  6. Step 6: Final answer
    x = 2,714.93

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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.