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Finding the Fourth Proportional to 2,756.97, 4,137.10 and 1,002.11

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Solution

The fourth proportional to 2,756.97, 4,137.10 and 1,002.11 is: 1,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.97 : 4,137.10 = 1,002.11 : x
  2. Step 2: Convert to fraction form
    2,756.97/4,137.10 = 1,002.11/x
  3. Step 3: Cross multiply
    2,756.97x = 4,137.10 × 1,002.11
  4. Step 4: Simplify right side
    2,756.97x = 4,145,824.27
  5. Step 5: Solve for x
    x = 4,145,824.27/2,756.97
  6. Step 6: Final answer
    x = 1,503.76

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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.