Home / 3,193.34-4,788.81-1,112.76

Finding the Fourth Proportional to 3,193.34, 4,788.81 and 1,112.76

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Solution

The fourth proportional to 3,193.34, 4,788.81 and 1,112.76 is: 1,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.34 : 4,788.81 = 1,112.76 : x
  2. Step 2: Convert to fraction form
    3,193.34/4,788.81 = 1,112.76/x
  3. Step 3: Cross multiply
    3,193.34x = 4,788.81 × 1,112.76
  4. Step 4: Simplify right side
    3,193.34x = 5,328,796.22
  5. Step 5: Solve for x
    x = 5,328,796.22/3,193.34
  6. Step 6: Final answer
    x = 1,668.72

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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.