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Finding the Fourth Proportional to 1,676, 2,514 and 650.72

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Solution

The fourth proportional to 1,676, 2,514 and 650.72 is: 976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676 : 2,514 = 650.72 : x
  2. Step 2: Convert to fraction form
    1,676/2,514 = 650.72/x
  3. Step 3: Cross multiply
    1,676x = 2,514 × 650.72
  4. Step 4: Simplify right side
    1,676x = 1,635,910.08
  5. Step 5: Solve for x
    x = 1,635,910.08/1,676
  6. Step 6: Final answer
    x = 976.08

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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.