Home / 2,028.21-3,027.65-1,782.18

Finding the Fourth Proportional to 2,028.21, 3,027.65 and 1,782.18

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Solution

The fourth proportional to 2,028.21, 3,027.65 and 1,782.18 is: 2,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.21 : 3,027.65 = 1,782.18 : x
  2. Step 2: Convert to fraction form
    2,028.21/3,027.65 = 1,782.18/x
  3. Step 3: Cross multiply
    2,028.21x = 3,027.65 × 1,782.18
  4. Step 4: Simplify right side
    2,028.21x = 5,395,797.68
  5. Step 5: Solve for x
    x = 5,395,797.68/2,028.21
  6. Step 6: Final answer
    x = 2,660.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.