Home / 2,736.21-4,102.95-1,274.10

Finding the Fourth Proportional to 2,736.21, 4,102.95 and 1,274.10

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Solution

The fourth proportional to 2,736.21, 4,102.95 and 1,274.10 is: 1,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.21 : 4,102.95 = 1,274.10 : x
  2. Step 2: Convert to fraction form
    2,736.21/4,102.95 = 1,274.10/x
  3. Step 3: Cross multiply
    2,736.21x = 4,102.95 × 1,274.10
  4. Step 4: Simplify right side
    2,736.21x = 5,227,568.60
  5. Step 5: Solve for x
    x = 5,227,568.60/2,736.21
  6. Step 6: Final answer
    x = 1,910.51

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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.