Home / 3,698.96-5,106.44-2,857.77

Finding the Fourth Proportional to 3,698.96, 5,106.44 and 2,857.77

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Solution

The fourth proportional to 3,698.96, 5,106.44 and 2,857.77 is: 3,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.96 : 5,106.44 = 2,857.77 : x
  2. Step 2: Convert to fraction form
    3,698.96/5,106.44 = 2,857.77/x
  3. Step 3: Cross multiply
    3,698.96x = 5,106.44 × 2,857.77
  4. Step 4: Simplify right side
    3,698.96x = 14,593,016.75
  5. Step 5: Solve for x
    x = 14,593,016.75/3,698.96
  6. Step 6: Final answer
    x = 3,945.17

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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.