Home / 1,694.54-2,336.96-1,222.31

Finding the Fourth Proportional to 1,694.54, 2,336.96 and 1,222.31

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Solution

The fourth proportional to 1,694.54, 2,336.96 and 1,222.31 is: 1,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.54 : 2,336.96 = 1,222.31 : x
  2. Step 2: Convert to fraction form
    1,694.54/2,336.96 = 1,222.31/x
  3. Step 3: Cross multiply
    1,694.54x = 2,336.96 × 1,222.31
  4. Step 4: Simplify right side
    1,694.54x = 2,856,480.95
  5. Step 5: Solve for x
    x = 2,856,480.95/1,694.54
  6. Step 6: Final answer
    x = 1,685.70

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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.