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Finding the Fourth Proportional to 3,242.55, 4,854.64 and 2,520.57

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Solution

The fourth proportional to 3,242.55, 4,854.64 and 2,520.57 is: 3,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.55 : 4,854.64 = 2,520.57 : x
  2. Step 2: Convert to fraction form
    3,242.55/4,854.64 = 2,520.57/x
  3. Step 3: Cross multiply
    3,242.55x = 4,854.64 × 2,520.57
  4. Step 4: Simplify right side
    3,242.55x = 12,236,429.37
  5. Step 5: Solve for x
    x = 12,236,429.37/3,242.55
  6. Step 6: Final answer
    x = 3,773.71

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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.