Home / 2,388.19-3,581.82-1,201.91

Finding the Fourth Proportional to 2,388.19, 3,581.82 and 1,201.91

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Solution

The fourth proportional to 2,388.19, 3,581.82 and 1,201.91 is: 1,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.19 : 3,581.82 = 1,201.91 : x
  2. Step 2: Convert to fraction form
    2,388.19/3,581.82 = 1,201.91/x
  3. Step 3: Cross multiply
    2,388.19x = 3,581.82 × 1,201.91
  4. Step 4: Simplify right side
    2,388.19x = 4,305,025.28
  5. Step 5: Solve for x
    x = 4,305,025.28/2,388.19
  6. Step 6: Final answer
    x = 1,802.63

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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.