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Finding the Fourth Proportional to 3,996.68, 5,992.28 and 1,804.21

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Solution

The fourth proportional to 3,996.68, 5,992.28 and 1,804.21 is: 2,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.68 : 5,992.28 = 1,804.21 : x
  2. Step 2: Convert to fraction form
    3,996.68/5,992.28 = 1,804.21/x
  3. Step 3: Cross multiply
    3,996.68x = 5,992.28 × 1,804.21
  4. Step 4: Simplify right side
    3,996.68x = 10,811,314.26
  5. Step 5: Solve for x
    x = 10,811,314.26/3,996.68
  6. Step 6: Final answer
    x = 2,705.08

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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.