Home / 1,696.22-2,343.78-1,306.61

Finding the Fourth Proportional to 1,696.22, 2,343.78 and 1,306.61

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Solution

The fourth proportional to 1,696.22, 2,343.78 and 1,306.61 is: 1,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.22 : 2,343.78 = 1,306.61 : x
  2. Step 2: Convert to fraction form
    1,696.22/2,343.78 = 1,306.61/x
  3. Step 3: Cross multiply
    1,696.22x = 2,343.78 × 1,306.61
  4. Step 4: Simplify right side
    1,696.22x = 3,062,406.39
  5. Step 5: Solve for x
    x = 3,062,406.39/1,696.22
  6. Step 6: Final answer
    x = 1,805.43

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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.