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Finding the Fourth Proportional to 1,676.84, 2,514.44 and 983.73

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Solution

The fourth proportional to 1,676.84, 2,514.44 and 983.73 is: 1,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.84 : 2,514.44 = 983.73 : x
  2. Step 2: Convert to fraction form
    1,676.84/2,514.44 = 983.73/x
  3. Step 3: Cross multiply
    1,676.84x = 2,514.44 × 983.73
  4. Step 4: Simplify right side
    1,676.84x = 2,473,525.14
  5. Step 5: Solve for x
    x = 2,473,525.14/1,676.84
  6. Step 6: Final answer
    x = 1,475.12

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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.