Home / 2,447.09-3,671.68-1,277.97

Finding the Fourth Proportional to 2,447.09, 3,671.68 and 1,277.97

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Solution

The fourth proportional to 2,447.09, 3,671.68 and 1,277.97 is: 1,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.09 : 3,671.68 = 1,277.97 : x
  2. Step 2: Convert to fraction form
    2,447.09/3,671.68 = 1,277.97/x
  3. Step 3: Cross multiply
    2,447.09x = 3,671.68 × 1,277.97
  4. Step 4: Simplify right side
    2,447.09x = 4,692,296.89
  5. Step 5: Solve for x
    x = 4,692,296.89/2,447.09
  6. Step 6: Final answer
    x = 1,917.50

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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.