Home / 2,563.26-3,847.92-2,157.45

Finding the Fourth Proportional to 2,563.26, 3,847.92 and 2,157.45

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Solution

The fourth proportional to 2,563.26, 3,847.92 and 2,157.45 is: 3,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.26 : 3,847.92 = 2,157.45 : x
  2. Step 2: Convert to fraction form
    2,563.26/3,847.92 = 2,157.45/x
  3. Step 3: Cross multiply
    2,563.26x = 3,847.92 × 2,157.45
  4. Step 4: Simplify right side
    2,563.26x = 8,301,695.00
  5. Step 5: Solve for x
    x = 8,301,695.00/2,563.26
  6. Step 6: Final answer
    x = 3,238.73

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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.