Home / 1,843.13-2,540.49-1,212.41

Finding the Fourth Proportional to 1,843.13, 2,540.49 and 1,212.41

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Solution

The fourth proportional to 1,843.13, 2,540.49 and 1,212.41 is: 1,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.13 : 2,540.49 = 1,212.41 : x
  2. Step 2: Convert to fraction form
    1,843.13/2,540.49 = 1,212.41/x
  3. Step 3: Cross multiply
    1,843.13x = 2,540.49 × 1,212.41
  4. Step 4: Simplify right side
    1,843.13x = 3,080,115.48
  5. Step 5: Solve for x
    x = 3,080,115.48/1,843.13
  6. Step 6: Final answer
    x = 1,671.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.