Home / 2,183.36-3,275.49-1,207.41

Finding the Fourth Proportional to 2,183.36, 3,275.49 and 1,207.41

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Solution

The fourth proportional to 2,183.36, 3,275.49 and 1,207.41 is: 1,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.36 : 3,275.49 = 1,207.41 : x
  2. Step 2: Convert to fraction form
    2,183.36/3,275.49 = 1,207.41/x
  3. Step 3: Cross multiply
    2,183.36x = 3,275.49 × 1,207.41
  4. Step 4: Simplify right side
    2,183.36x = 3,954,844.83
  5. Step 5: Solve for x
    x = 3,954,844.83/2,183.36
  6. Step 6: Final answer
    x = 1,811.36

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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.