Home / 3,167.44-4,747.88-1,319.63

Finding the Fourth Proportional to 3,167.44, 4,747.88 and 1,319.63

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Solution

The fourth proportional to 3,167.44, 4,747.88 and 1,319.63 is: 1,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.44 : 4,747.88 = 1,319.63 : x
  2. Step 2: Convert to fraction form
    3,167.44/4,747.88 = 1,319.63/x
  3. Step 3: Cross multiply
    3,167.44x = 4,747.88 × 1,319.63
  4. Step 4: Simplify right side
    3,167.44x = 6,265,424.44
  5. Step 5: Solve for x
    x = 6,265,424.44/3,167.44
  6. Step 6: Final answer
    x = 1,978.07

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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.