Home / 2,786.46-3,845.32-1,544.46

Finding the Fourth Proportional to 2,786.46, 3,845.32 and 1,544.46

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Solution

The fourth proportional to 2,786.46, 3,845.32 and 1,544.46 is: 2,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.46 : 3,845.32 = 1,544.46 : x
  2. Step 2: Convert to fraction form
    2,786.46/3,845.32 = 1,544.46/x
  3. Step 3: Cross multiply
    2,786.46x = 3,845.32 × 1,544.46
  4. Step 4: Simplify right side
    2,786.46x = 5,938,942.93
  5. Step 5: Solve for x
    x = 5,938,942.93/2,786.46
  6. Step 6: Final answer
    x = 2,131.36

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1.5x scale

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.