Home / 1,433.51-1,979.07-1,096.79

Finding the Fourth Proportional to 1,433.51, 1,979.07 and 1,096.79

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Solution

The fourth proportional to 1,433.51, 1,979.07 and 1,096.79 is: 1,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.51 : 1,979.07 = 1,096.79 : x
  2. Step 2: Convert to fraction form
    1,433.51/1,979.07 = 1,096.79/x
  3. Step 3: Cross multiply
    1,433.51x = 1,979.07 × 1,096.79
  4. Step 4: Simplify right side
    1,433.51x = 2,170,629.13
  5. Step 5: Solve for x
    x = 2,170,629.13/1,433.51
  6. Step 6: Final answer
    x = 1,514.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.