Home / 2,747.04-4,121.04-1,208

Finding the Fourth Proportional to 2,747.04, 4,121.04 and 1,208

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Solution

The fourth proportional to 2,747.04, 4,121.04 and 1,208 is: 1,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.04 : 4,121.04 = 1,208 : x
  2. Step 2: Convert to fraction form
    2,747.04/4,121.04 = 1,208/x
  3. Step 3: Cross multiply
    2,747.04x = 4,121.04 × 1,208
  4. Step 4: Simplify right side
    2,747.04x = 4,978,216.32
  5. Step 5: Solve for x
    x = 4,978,216.32/2,747.04
  6. Step 6: Final answer
    x = 1,812.21

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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.