Home / 2,842.70-4,261.55-1,361.12

Finding the Fourth Proportional to 2,842.70, 4,261.55 and 1,361.12

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Solution

The fourth proportional to 2,842.70, 4,261.55 and 1,361.12 is: 2,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.70 : 4,261.55 = 1,361.12 : x
  2. Step 2: Convert to fraction form
    2,842.70/4,261.55 = 1,361.12/x
  3. Step 3: Cross multiply
    2,842.70x = 4,261.55 × 1,361.12
  4. Step 4: Simplify right side
    2,842.70x = 5,800,452.82
  5. Step 5: Solve for x
    x = 5,800,452.82/2,842.70
  6. Step 6: Final answer
    x = 2,040.48

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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.