Home / 1,195.28-1,791.70-1,090.19

Finding the Fourth Proportional to 1,195.28, 1,791.70 and 1,090.19

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Solution

The fourth proportional to 1,195.28, 1,791.70 and 1,090.19 is: 1,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.28 : 1,791.70 = 1,090.19 : x
  2. Step 2: Convert to fraction form
    1,195.28/1,791.70 = 1,090.19/x
  3. Step 3: Cross multiply
    1,195.28x = 1,791.70 × 1,090.19
  4. Step 4: Simplify right side
    1,195.28x = 1,953,293.42
  5. Step 5: Solve for x
    x = 1,953,293.42/1,195.28
  6. Step 6: Final answer
    x = 1,634.17

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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.