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Finding the Fourth Proportional to 3,994.94, 5,992.94 and 2,143.52

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Solution

The fourth proportional to 3,994.94, 5,992.94 and 2,143.52 is: 3,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.94 : 5,992.94 = 2,143.52 : x
  2. Step 2: Convert to fraction form
    3,994.94/5,992.94 = 2,143.52/x
  3. Step 3: Cross multiply
    3,994.94x = 5,992.94 × 2,143.52
  4. Step 4: Simplify right side
    3,994.94x = 12,845,991.01
  5. Step 5: Solve for x
    x = 12,845,991.01/3,994.94
  6. Step 6: Final answer
    x = 3,215.56

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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.