Home / 2,192.20-3,288.06-1,037.80

Finding the Fourth Proportional to 2,192.20, 3,288.06 and 1,037.80

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Solution

The fourth proportional to 2,192.20, 3,288.06 and 1,037.80 is: 1,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.20 : 3,288.06 = 1,037.80 : x
  2. Step 2: Convert to fraction form
    2,192.20/3,288.06 = 1,037.80/x
  3. Step 3: Cross multiply
    2,192.20x = 3,288.06 × 1,037.80
  4. Step 4: Simplify right side
    2,192.20x = 3,412,348.67
  5. Step 5: Solve for x
    x = 3,412,348.67/2,192.20
  6. Step 6: Final answer
    x = 1,556.59

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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.