Home / 1,951.47-2,694.84-1,254.07

Finding the Fourth Proportional to 1,951.47, 2,694.84 and 1,254.07

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Solution

The fourth proportional to 1,951.47, 2,694.84 and 1,254.07 is: 1,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.47 : 2,694.84 = 1,254.07 : x
  2. Step 2: Convert to fraction form
    1,951.47/2,694.84 = 1,254.07/x
  3. Step 3: Cross multiply
    1,951.47x = 2,694.84 × 1,254.07
  4. Step 4: Simplify right side
    1,951.47x = 3,379,511.73
  5. Step 5: Solve for x
    x = 3,379,511.73/1,951.47
  6. Step 6: Final answer
    x = 1,731.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.