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Finding the Fourth Proportional to 3,230.61, 4,850.78 and 1,845.51

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Solution

The fourth proportional to 3,230.61, 4,850.78 and 1,845.51 is: 2,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.61 : 4,850.78 = 1,845.51 : x
  2. Step 2: Convert to fraction form
    3,230.61/4,850.78 = 1,845.51/x
  3. Step 3: Cross multiply
    3,230.61x = 4,850.78 × 1,845.51
  4. Step 4: Simplify right side
    3,230.61x = 8,952,153.77
  5. Step 5: Solve for x
    x = 8,952,153.77/3,230.61
  6. Step 6: Final answer
    x = 2,771.04

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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.