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Finding the Fourth Proportional to 3,230.79, 4,845.11 and 1,256.27

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Solution

The fourth proportional to 3,230.79, 4,845.11 and 1,256.27 is: 1,883.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.79 : 4,845.11 = 1,256.27 : x
  2. Step 2: Convert to fraction form
    3,230.79/4,845.11 = 1,256.27/x
  3. Step 3: Cross multiply
    3,230.79x = 4,845.11 × 1,256.27
  4. Step 4: Simplify right side
    3,230.79x = 6,086,766.34
  5. Step 5: Solve for x
    x = 6,086,766.34/3,230.79
  6. Step 6: Final answer
    x = 1,883.99

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1.5x scale

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.