Home / 2,477.79-3,716.82-1,091.77

Finding the Fourth Proportional to 2,477.79, 3,716.82 and 1,091.77

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Solution

The fourth proportional to 2,477.79, 3,716.82 and 1,091.77 is: 1,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.79 : 3,716.82 = 1,091.77 : x
  2. Step 2: Convert to fraction form
    2,477.79/3,716.82 = 1,091.77/x
  3. Step 3: Cross multiply
    2,477.79x = 3,716.82 × 1,091.77
  4. Step 4: Simplify right side
    2,477.79x = 4,057,912.57
  5. Step 5: Solve for x
    x = 4,057,912.57/2,477.79
  6. Step 6: Final answer
    x = 1,637.71

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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.