Home / 2,023.38-2,791.26-1,394.55

Finding the Fourth Proportional to 2,023.38, 2,791.26 and 1,394.55

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Solution

The fourth proportional to 2,023.38, 2,791.26 and 1,394.55 is: 1,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.38 : 2,791.26 = 1,394.55 : x
  2. Step 2: Convert to fraction form
    2,023.38/2,791.26 = 1,394.55/x
  3. Step 3: Cross multiply
    2,023.38x = 2,791.26 × 1,394.55
  4. Step 4: Simplify right side
    2,023.38x = 3,892,551.63
  5. Step 5: Solve for x
    x = 3,892,551.63/2,023.38
  6. Step 6: Final answer
    x = 1,923.79

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1.5x scale

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.