Home / 2,851.44-4,274.64-2,679.36

Finding the Fourth Proportional to 2,851.44, 4,274.64 and 2,679.36

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Solution

The fourth proportional to 2,851.44, 4,274.64 and 2,679.36 is: 4,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.44 : 4,274.64 = 2,679.36 : x
  2. Step 2: Convert to fraction form
    2,851.44/4,274.64 = 2,679.36/x
  3. Step 3: Cross multiply
    2,851.44x = 4,274.64 × 2,679.36
  4. Step 4: Simplify right side
    2,851.44x = 11,453,299.43
  5. Step 5: Solve for x
    x = 11,453,299.43/2,851.44
  6. Step 6: Final answer
    x = 4,016.67

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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.