Home / 2,336.31-3,224.21-1,288.44

Finding the Fourth Proportional to 2,336.31, 3,224.21 and 1,288.44

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Solution

The fourth proportional to 2,336.31, 3,224.21 and 1,288.44 is: 1,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.31 : 3,224.21 = 1,288.44 : x
  2. Step 2: Convert to fraction form
    2,336.31/3,224.21 = 1,288.44/x
  3. Step 3: Cross multiply
    2,336.31x = 3,224.21 × 1,288.44
  4. Step 4: Simplify right side
    2,336.31x = 4,154,194.69
  5. Step 5: Solve for x
    x = 4,154,194.69/2,336.31
  6. Step 6: Final answer
    x = 1,778.10

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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.