Home / 2,720.19-4,080.29-1,076.97

Finding the Fourth Proportional to 2,720.19, 4,080.29 and 1,076.97

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Solution

The fourth proportional to 2,720.19, 4,080.29 and 1,076.97 is: 1,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.19 : 4,080.29 = 1,076.97 : x
  2. Step 2: Convert to fraction form
    2,720.19/4,080.29 = 1,076.97/x
  3. Step 3: Cross multiply
    2,720.19x = 4,080.29 × 1,076.97
  4. Step 4: Simplify right side
    2,720.19x = 4,394,344.54
  5. Step 5: Solve for x
    x = 4,394,344.54/2,720.19
  6. Step 6: Final answer
    x = 1,615.46

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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.