Home / 2,716.23-4,076.39-1,256.41

Finding the Fourth Proportional to 2,716.23, 4,076.39 and 1,256.41

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Solution

The fourth proportional to 2,716.23, 4,076.39 and 1,256.41 is: 1,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.23 : 4,076.39 = 1,256.41 : x
  2. Step 2: Convert to fraction form
    2,716.23/4,076.39 = 1,256.41/x
  3. Step 3: Cross multiply
    2,716.23x = 4,076.39 × 1,256.41
  4. Step 4: Simplify right side
    2,716.23x = 5,121,625.40
  5. Step 5: Solve for x
    x = 5,121,625.40/2,716.23
  6. Step 6: Final answer
    x = 1,885.56

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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.