Home / 2,719.58-4,076.94-1,257.54

Finding the Fourth Proportional to 2,719.58, 4,076.94 and 1,257.54

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Solution

The fourth proportional to 2,719.58, 4,076.94 and 1,257.54 is: 1,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.58 : 4,076.94 = 1,257.54 : x
  2. Step 2: Convert to fraction form
    2,719.58/4,076.94 = 1,257.54/x
  3. Step 3: Cross multiply
    2,719.58x = 4,076.94 × 1,257.54
  4. Step 4: Simplify right side
    2,719.58x = 5,126,915.13
  5. Step 5: Solve for x
    x = 5,126,915.13/2,719.58
  6. Step 6: Final answer
    x = 1,885.19

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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.