Home / 1,691.82-2,336.97-1,534.62

Finding the Fourth Proportional to 1,691.82, 2,336.97 and 1,534.62

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Solution

The fourth proportional to 1,691.82, 2,336.97 and 1,534.62 is: 2,119.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.82 : 2,336.97 = 1,534.62 : x
  2. Step 2: Convert to fraction form
    1,691.82/2,336.97 = 1,534.62/x
  3. Step 3: Cross multiply
    1,691.82x = 2,336.97 × 1,534.62
  4. Step 4: Simplify right side
    1,691.82x = 3,586,360.90
  5. Step 5: Solve for x
    x = 3,586,360.90/1,691.82
  6. Step 6: Final answer
    x = 2,119.82

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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.