Home / 2,001.68-3,004.32-1,028.48

Finding the Fourth Proportional to 2,001.68, 3,004.32 and 1,028.48

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Solution

The fourth proportional to 2,001.68, 3,004.32 and 1,028.48 is: 1,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.68 : 3,004.32 = 1,028.48 : x
  2. Step 2: Convert to fraction form
    2,001.68/3,004.32 = 1,028.48/x
  3. Step 3: Cross multiply
    2,001.68x = 3,004.32 × 1,028.48
  4. Step 4: Simplify right side
    2,001.68x = 3,089,883.03
  5. Step 5: Solve for x
    x = 3,089,883.03/2,001.68
  6. Step 6: Final answer
    x = 1,543.64

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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.