Home / 2,260.44-3,392.48-1,221.61

Finding the Fourth Proportional to 2,260.44, 3,392.48 and 1,221.61

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Solution

The fourth proportional to 2,260.44, 3,392.48 and 1,221.61 is: 1,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.44 : 3,392.48 = 1,221.61 : x
  2. Step 2: Convert to fraction form
    2,260.44/3,392.48 = 1,221.61/x
  3. Step 3: Cross multiply
    2,260.44x = 3,392.48 × 1,221.61
  4. Step 4: Simplify right side
    2,260.44x = 4,144,287.49
  5. Step 5: Solve for x
    x = 4,144,287.49/2,260.44
  6. Step 6: Final answer
    x = 1,833.40

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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.