Home / 4,080.16-6,120.24-2,028.16

Finding the Fourth Proportional to 4,080.16, 6,120.24 and 2,028.16

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Solution

The fourth proportional to 4,080.16, 6,120.24 and 2,028.16 is: 3,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.16 : 6,120.24 = 2,028.16 : x
  2. Step 2: Convert to fraction form
    4,080.16/6,120.24 = 2,028.16/x
  3. Step 3: Cross multiply
    4,080.16x = 6,120.24 × 2,028.16
  4. Step 4: Simplify right side
    4,080.16x = 12,412,825.96
  5. Step 5: Solve for x
    x = 12,412,825.96/4,080.16
  6. Step 6: Final answer
    x = 3,042.24

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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.