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Finding the Fourth Proportional to 3,994.89, 5,992.53 and 1,528.84

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Solution

The fourth proportional to 3,994.89, 5,992.53 and 1,528.84 is: 2,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.89 : 5,992.53 = 1,528.84 : x
  2. Step 2: Convert to fraction form
    3,994.89/5,992.53 = 1,528.84/x
  3. Step 3: Cross multiply
    3,994.89x = 5,992.53 × 1,528.84
  4. Step 4: Simplify right side
    3,994.89x = 9,161,619.57
  5. Step 5: Solve for x
    x = 9,161,619.57/3,994.89
  6. Step 6: Final answer
    x = 2,293.33

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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.