Home / 3,161.58-4,743.57-2,799.48

Finding the Fourth Proportional to 3,161.58, 4,743.57 and 2,799.48

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Solution

The fourth proportional to 3,161.58, 4,743.57 and 2,799.48 is: 4,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.58 : 4,743.57 = 2,799.48 : x
  2. Step 2: Convert to fraction form
    3,161.58/4,743.57 = 2,799.48/x
  3. Step 3: Cross multiply
    3,161.58x = 4,743.57 × 2,799.48
  4. Step 4: Simplify right side
    3,161.58x = 13,279,529.34
  5. Step 5: Solve for x
    x = 13,279,529.34/3,161.58
  6. Step 6: Final answer
    x = 4,200.28

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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.