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Finding the Fourth Proportional to 2,676.99, 4,016.70 and 1,583.49

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Solution

The fourth proportional to 2,676.99, 4,016.70 and 1,583.49 is: 2,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.99 : 4,016.70 = 1,583.49 : x
  2. Step 2: Convert to fraction form
    2,676.99/4,016.70 = 1,583.49/x
  3. Step 3: Cross multiply
    2,676.99x = 4,016.70 × 1,583.49
  4. Step 4: Simplify right side
    2,676.99x = 6,360,404.28
  5. Step 5: Solve for x
    x = 6,360,404.28/2,676.99
  6. Step 6: Final answer
    x = 2,375.95

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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.