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Finding the Fourth Proportional to 2,523.40, 3,785.08 and 2,149.72

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Solution

The fourth proportional to 2,523.40, 3,785.08 and 2,149.72 is: 3,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.40 : 3,785.08 = 2,149.72 : x
  2. Step 2: Convert to fraction form
    2,523.40/3,785.08 = 2,149.72/x
  3. Step 3: Cross multiply
    2,523.40x = 3,785.08 × 2,149.72
  4. Step 4: Simplify right side
    2,523.40x = 8,136,862.18
  5. Step 5: Solve for x
    x = 8,136,862.18/2,523.40
  6. Step 6: Final answer
    x = 3,224.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.