Home / 3,719.52-5,576.04-2,078.46

Finding the Fourth Proportional to 3,719.52, 5,576.04 and 2,078.46

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Solution

The fourth proportional to 3,719.52, 5,576.04 and 2,078.46 is: 3,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.52 : 5,576.04 = 2,078.46 : x
  2. Step 2: Convert to fraction form
    3,719.52/5,576.04 = 2,078.46/x
  3. Step 3: Cross multiply
    3,719.52x = 5,576.04 × 2,078.46
  4. Step 4: Simplify right side
    3,719.52x = 11,589,576.10
  5. Step 5: Solve for x
    x = 11,589,576.10/3,719.52
  6. Step 6: Final answer
    x = 3,115.88

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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.