Home / 2,003.57-3,007.19-1,080.03

Finding the Fourth Proportional to 2,003.57, 3,007.19 and 1,080.03

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Solution

The fourth proportional to 2,003.57, 3,007.19 and 1,080.03 is: 1,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.57 : 3,007.19 = 1,080.03 : x
  2. Step 2: Convert to fraction form
    2,003.57/3,007.19 = 1,080.03/x
  3. Step 3: Cross multiply
    2,003.57x = 3,007.19 × 1,080.03
  4. Step 4: Simplify right side
    2,003.57x = 3,247,869.39
  5. Step 5: Solve for x
    x = 3,247,869.39/2,003.57
  6. Step 6: Final answer
    x = 1,621.04

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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.