Home / 3,174.78-4,379.68-2,056.08

Finding the Fourth Proportional to 3,174.78, 4,379.68 and 2,056.08

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Solution

The fourth proportional to 3,174.78, 4,379.68 and 2,056.08 is: 2,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.78 : 4,379.68 = 2,056.08 : x
  2. Step 2: Convert to fraction form
    3,174.78/4,379.68 = 2,056.08/x
  3. Step 3: Cross multiply
    3,174.78x = 4,379.68 × 2,056.08
  4. Step 4: Simplify right side
    3,174.78x = 9,004,972.45
  5. Step 5: Solve for x
    x = 9,004,972.45/3,174.78
  6. Step 6: Final answer
    x = 2,836.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.