Home / 1,946.38-2,921.12-1,022.48

Finding the Fourth Proportional to 1,946.38, 2,921.12 and 1,022.48

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Solution

The fourth proportional to 1,946.38, 2,921.12 and 1,022.48 is: 1,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.38 : 2,921.12 = 1,022.48 : x
  2. Step 2: Convert to fraction form
    1,946.38/2,921.12 = 1,022.48/x
  3. Step 3: Cross multiply
    1,946.38x = 2,921.12 × 1,022.48
  4. Step 4: Simplify right side
    1,946.38x = 2,986,796.64
  5. Step 5: Solve for x
    x = 2,986,796.64/1,946.38
  6. Step 6: Final answer
    x = 1,534.54

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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.