Home / 2,719.14-4,078.44-1,077

Finding the Fourth Proportional to 2,719.14, 4,078.44 and 1,077

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Solution

The fourth proportional to 2,719.14, 4,078.44 and 1,077 is: 1,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.14 : 4,078.44 = 1,077 : x
  2. Step 2: Convert to fraction form
    2,719.14/4,078.44 = 1,077/x
  3. Step 3: Cross multiply
    2,719.14x = 4,078.44 × 1,077
  4. Step 4: Simplify right side
    2,719.14x = 4,392,479.88
  5. Step 5: Solve for x
    x = 4,392,479.88/2,719.14
  6. Step 6: Final answer
    x = 1,615.39

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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.