Home / 1,518.38-2,096.62-1,022.66

Finding the Fourth Proportional to 1,518.38, 2,096.62 and 1,022.66

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Solution

The fourth proportional to 1,518.38, 2,096.62 and 1,022.66 is: 1,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.38 : 2,096.62 = 1,022.66 : x
  2. Step 2: Convert to fraction form
    1,518.38/2,096.62 = 1,022.66/x
  3. Step 3: Cross multiply
    1,518.38x = 2,096.62 × 1,022.66
  4. Step 4: Simplify right side
    1,518.38x = 2,144,121.48
  5. Step 5: Solve for x
    x = 2,144,121.48/1,518.38
  6. Step 6: Final answer
    x = 1,412.12

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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.