Home / 2,262.12-3,393.17-1,220.56

Finding the Fourth Proportional to 2,262.12, 3,393.17 and 1,220.56

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Solution

The fourth proportional to 2,262.12, 3,393.17 and 1,220.56 is: 1,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.12 : 3,393.17 = 1,220.56 : x
  2. Step 2: Convert to fraction form
    2,262.12/3,393.17 = 1,220.56/x
  3. Step 3: Cross multiply
    2,262.12x = 3,393.17 × 1,220.56
  4. Step 4: Simplify right side
    2,262.12x = 4,141,567.58
  5. Step 5: Solve for x
    x = 4,141,567.58/2,262.12
  6. Step 6: Final answer
    x = 1,830.83

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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.