Home / 2,742.10-4,112.46-1,076.56

Finding the Fourth Proportional to 2,742.10, 4,112.46 and 1,076.56

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Solution

The fourth proportional to 2,742.10, 4,112.46 and 1,076.56 is: 1,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.10 : 4,112.46 = 1,076.56 : x
  2. Step 2: Convert to fraction form
    2,742.10/4,112.46 = 1,076.56/x
  3. Step 3: Cross multiply
    2,742.10x = 4,112.46 × 1,076.56
  4. Step 4: Simplify right side
    2,742.10x = 4,427,309.94
  5. Step 5: Solve for x
    x = 4,427,309.94/2,742.10
  6. Step 6: Final answer
    x = 1,614.57

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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.