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Finding the Fourth Proportional to 2,469.77, 3,702.51 and 1,007.99

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Solution

The fourth proportional to 2,469.77, 3,702.51 and 1,007.99 is: 1,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.77 : 3,702.51 = 1,007.99 : x
  2. Step 2: Convert to fraction form
    2,469.77/3,702.51 = 1,007.99/x
  3. Step 3: Cross multiply
    2,469.77x = 3,702.51 × 1,007.99
  4. Step 4: Simplify right side
    2,469.77x = 3,732,104.83
  5. Step 5: Solve for x
    x = 3,732,104.83/2,469.77
  6. Step 6: Final answer
    x = 1,511.11

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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.