Home / 1,198.18-1,795.34-1,153.22

Finding the Fourth Proportional to 1,198.18, 1,795.34 and 1,153.22

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Solution

The fourth proportional to 1,198.18, 1,795.34 and 1,153.22 is: 1,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.18 : 1,795.34 = 1,153.22 : x
  2. Step 2: Convert to fraction form
    1,198.18/1,795.34 = 1,153.22/x
  3. Step 3: Cross multiply
    1,198.18x = 1,795.34 × 1,153.22
  4. Step 4: Simplify right side
    1,198.18x = 2,070,421.99
  5. Step 5: Solve for x
    x = 2,070,421.99/1,198.18
  6. Step 6: Final answer
    x = 1,727.97

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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.