Home / 4,200.31-5,796.51-2,311.88

Finding the Fourth Proportional to 4,200.31, 5,796.51 and 2,311.88

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Solution

The fourth proportional to 4,200.31, 5,796.51 and 2,311.88 is: 3,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.31 : 5,796.51 = 2,311.88 : x
  2. Step 2: Convert to fraction form
    4,200.31/5,796.51 = 2,311.88/x
  3. Step 3: Cross multiply
    4,200.31x = 5,796.51 × 2,311.88
  4. Step 4: Simplify right side
    4,200.31x = 13,400,819.62
  5. Step 5: Solve for x
    x = 13,400,819.62/4,200.31
  6. Step 6: Final answer
    x = 3,190.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.