Home / 3,165.44-4,748.20-1,112.96

Finding the Fourth Proportional to 3,165.44, 4,748.20 and 1,112.96

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Solution

The fourth proportional to 3,165.44, 4,748.20 and 1,112.96 is: 1,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.44 : 4,748.20 = 1,112.96 : x
  2. Step 2: Convert to fraction form
    3,165.44/4,748.20 = 1,112.96/x
  3. Step 3: Cross multiply
    3,165.44x = 4,748.20 × 1,112.96
  4. Step 4: Simplify right side
    3,165.44x = 5,284,556.67
  5. Step 5: Solve for x
    x = 5,284,556.67/3,165.44
  6. Step 6: Final answer
    x = 1,669.45

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1.5x scale

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.