Home / 3,784.37-5,676.41-1,319.18

Finding the Fourth Proportional to 3,784.37, 5,676.41 and 1,319.18

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Solution

The fourth proportional to 3,784.37, 5,676.41 and 1,319.18 is: 1,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.37 : 5,676.41 = 1,319.18 : x
  2. Step 2: Convert to fraction form
    3,784.37/5,676.41 = 1,319.18/x
  3. Step 3: Cross multiply
    3,784.37x = 5,676.41 × 1,319.18
  4. Step 4: Simplify right side
    3,784.37x = 7,488,171.57
  5. Step 5: Solve for x
    x = 7,488,171.57/3,784.37
  6. Step 6: Final answer
    x = 1,978.71

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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.