Home / 2,744.36-3,786.98-1,549.64

Finding the Fourth Proportional to 2,744.36, 3,786.98 and 1,549.64

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Solution

The fourth proportional to 2,744.36, 3,786.98 and 1,549.64 is: 2,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.36 : 3,786.98 = 1,549.64 : x
  2. Step 2: Convert to fraction form
    2,744.36/3,786.98 = 1,549.64/x
  3. Step 3: Cross multiply
    2,744.36x = 3,786.98 × 1,549.64
  4. Step 4: Simplify right side
    2,744.36x = 5,868,455.69
  5. Step 5: Solve for x
    x = 5,868,455.69/2,744.36
  6. Step 6: Final answer
    x = 2,138.37

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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.