Home / 3,815.66-5,723.46-3,192.38

Finding the Fourth Proportional to 3,815.66, 5,723.46 and 3,192.38

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Solution

The fourth proportional to 3,815.66, 5,723.46 and 3,192.38 is: 4,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.66 : 5,723.46 = 3,192.38 : x
  2. Step 2: Convert to fraction form
    3,815.66/5,723.46 = 3,192.38/x
  3. Step 3: Cross multiply
    3,815.66x = 5,723.46 × 3,192.38
  4. Step 4: Simplify right side
    3,815.66x = 18,271,459.23
  5. Step 5: Solve for x
    x = 18,271,459.23/3,815.66
  6. Step 6: Final answer
    x = 4,788.54

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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.