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Finding the Fourth Proportional to 3,992.37, 5,989.71 and 1,651.94

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Solution

The fourth proportional to 3,992.37, 5,989.71 and 1,651.94 is: 2,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.37 : 5,989.71 = 1,651.94 : x
  2. Step 2: Convert to fraction form
    3,992.37/5,989.71 = 1,651.94/x
  3. Step 3: Cross multiply
    3,992.37x = 5,989.71 × 1,651.94
  4. Step 4: Simplify right side
    3,992.37x = 9,894,673.94
  5. Step 5: Solve for x
    x = 9,894,673.94/3,992.37
  6. Step 6: Final answer
    x = 2,478.39

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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.