Home / 2,523.44-3,782.40-2,157.11

Finding the Fourth Proportional to 2,523.44, 3,782.40 and 2,157.11

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Solution

The fourth proportional to 2,523.44, 3,782.40 and 2,157.11 is: 3,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.44 : 3,782.40 = 2,157.11 : x
  2. Step 2: Convert to fraction form
    2,523.44/3,782.40 = 2,157.11/x
  3. Step 3: Cross multiply
    2,523.44x = 3,782.40 × 2,157.11
  4. Step 4: Simplify right side
    2,523.44x = 8,159,052.86
  5. Step 5: Solve for x
    x = 8,159,052.86/2,523.44
  6. Step 6: Final answer
    x = 3,233.31

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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.