Home / 2,718.37-4,076.97-1,257.31

Finding the Fourth Proportional to 2,718.37, 4,076.97 and 1,257.31

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Solution

The fourth proportional to 2,718.37, 4,076.97 and 1,257.31 is: 1,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.37 : 4,076.97 = 1,257.31 : x
  2. Step 2: Convert to fraction form
    2,718.37/4,076.97 = 1,257.31/x
  3. Step 3: Cross multiply
    2,718.37x = 4,076.97 × 1,257.31
  4. Step 4: Simplify right side
    2,718.37x = 5,126,015.15
  5. Step 5: Solve for x
    x = 5,126,015.15/2,718.37
  6. Step 6: Final answer
    x = 1,885.69

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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.