Home / 2,719.67-4,077.88-1,076.99

Finding the Fourth Proportional to 2,719.67, 4,077.88 and 1,076.99

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Solution

The fourth proportional to 2,719.67, 4,077.88 and 1,076.99 is: 1,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.67 : 4,077.88 = 1,076.99 : x
  2. Step 2: Convert to fraction form
    2,719.67/4,077.88 = 1,076.99/x
  3. Step 3: Cross multiply
    2,719.67x = 4,077.88 × 1,076.99
  4. Step 4: Simplify right side
    2,719.67x = 4,391,812.90
  5. Step 5: Solve for x
    x = 4,391,812.90/2,719.67
  6. Step 6: Final answer
    x = 1,614.84

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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.