Home / 4,192.68-6,289.04-1,271

Finding the Fourth Proportional to 4,192.68, 6,289.04 and 1,271

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Solution

The fourth proportional to 4,192.68, 6,289.04 and 1,271 is: 1,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.68 : 6,289.04 = 1,271 : x
  2. Step 2: Convert to fraction form
    4,192.68/6,289.04 = 1,271/x
  3. Step 3: Cross multiply
    4,192.68x = 6,289.04 × 1,271
  4. Step 4: Simplify right side
    4,192.68x = 7,993,369.84
  5. Step 5: Solve for x
    x = 7,993,369.84/4,192.68
  6. Step 6: Final answer
    x = 1,906.51

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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.