Home / 1,676.92-2,512.38-1,578.10

Finding the Fourth Proportional to 1,676.92, 2,512.38 and 1,578.10

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Solution

The fourth proportional to 1,676.92, 2,512.38 and 1,578.10 is: 2,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.92 : 2,512.38 = 1,578.10 : x
  2. Step 2: Convert to fraction form
    1,676.92/2,512.38 = 1,578.10/x
  3. Step 3: Cross multiply
    1,676.92x = 2,512.38 × 1,578.10
  4. Step 4: Simplify right side
    1,676.92x = 3,964,786.88
  5. Step 5: Solve for x
    x = 3,964,786.88/1,676.92
  6. Step 6: Final answer
    x = 2,364.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.