Home / 1,676.26-2,311.23-1,086.58

Finding the Fourth Proportional to 1,676.26, 2,311.23 and 1,086.58

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Solution

The fourth proportional to 1,676.26, 2,311.23 and 1,086.58 is: 1,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.26 : 2,311.23 = 1,086.58 : x
  2. Step 2: Convert to fraction form
    1,676.26/2,311.23 = 1,086.58/x
  3. Step 3: Cross multiply
    1,676.26x = 2,311.23 × 1,086.58
  4. Step 4: Simplify right side
    1,676.26x = 2,511,336.29
  5. Step 5: Solve for x
    x = 2,511,336.29/1,676.26
  6. Step 6: Final answer
    x = 1,498.18

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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.