Home / 3,412.53-5,120.24-2,028.51

Finding the Fourth Proportional to 3,412.53, 5,120.24 and 2,028.51

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Solution

The fourth proportional to 3,412.53, 5,120.24 and 2,028.51 is: 3,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.53 : 5,120.24 = 2,028.51 : x
  2. Step 2: Convert to fraction form
    3,412.53/5,120.24 = 2,028.51/x
  3. Step 3: Cross multiply
    3,412.53x = 5,120.24 × 2,028.51
  4. Step 4: Simplify right side
    3,412.53x = 10,386,447.90
  5. Step 5: Solve for x
    x = 10,386,447.90/3,412.53
  6. Step 6: Final answer
    x = 3,043.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.