Home / 1,747.69-2,621.53-1,198.21

Finding the Fourth Proportional to 1,747.69, 2,621.53 and 1,198.21

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Solution

The fourth proportional to 1,747.69, 2,621.53 and 1,198.21 is: 1,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.69 : 2,621.53 = 1,198.21 : x
  2. Step 2: Convert to fraction form
    1,747.69/2,621.53 = 1,198.21/x
  3. Step 3: Cross multiply
    1,747.69x = 2,621.53 × 1,198.21
  4. Step 4: Simplify right side
    1,747.69x = 3,141,133.49
  5. Step 5: Solve for x
    x = 3,141,133.49/1,747.69
  6. Step 6: Final answer
    x = 1,797.31

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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.