Home / 1,676.20-2,514.66-701.80

Finding the Fourth Proportional to 1,676.20, 2,514.66 and 701.80

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Solution

The fourth proportional to 1,676.20, 2,514.66 and 701.80 is: 1,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.20 : 2,514.66 = 701.80 : x
  2. Step 2: Convert to fraction form
    1,676.20/2,514.66 = 701.80/x
  3. Step 3: Cross multiply
    1,676.20x = 2,514.66 × 701.80
  4. Step 4: Simplify right side
    1,676.20x = 1,764,788.39
  5. Step 5: Solve for x
    x = 1,764,788.39/1,676.20
  6. Step 6: Final answer
    x = 1,052.85

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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.