Home / 2,001.68-3,003.60-1,077.92

Finding the Fourth Proportional to 2,001.68, 3,003.60 and 1,077.92

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Solution

The fourth proportional to 2,001.68, 3,003.60 and 1,077.92 is: 1,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.68 : 3,003.60 = 1,077.92 : x
  2. Step 2: Convert to fraction form
    2,001.68/3,003.60 = 1,077.92/x
  3. Step 3: Cross multiply
    2,001.68x = 3,003.60 × 1,077.92
  4. Step 4: Simplify right side
    2,001.68x = 3,237,640.51
  5. Step 5: Solve for x
    x = 3,237,640.51/2,001.68
  6. Step 6: Final answer
    x = 1,617.46

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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.