Home / 2,744.21-3,786.98-1,485.26

Finding the Fourth Proportional to 2,744.21, 3,786.98 and 1,485.26

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Solution

The fourth proportional to 2,744.21, 3,786.98 and 1,485.26 is: 2,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.21 : 3,786.98 = 1,485.26 : x
  2. Step 2: Convert to fraction form
    2,744.21/3,786.98 = 1,485.26/x
  3. Step 3: Cross multiply
    2,744.21x = 3,786.98 × 1,485.26
  4. Step 4: Simplify right side
    2,744.21x = 5,624,649.91
  5. Step 5: Solve for x
    x = 5,624,649.91/2,744.21
  6. Step 6: Final answer
    x = 2,049.64

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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.