Home / 3,670.38-5,067.26-2,784.65

Finding the Fourth Proportional to 3,670.38, 5,067.26 and 2,784.65

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Solution

The fourth proportional to 3,670.38, 5,067.26 and 2,784.65 is: 3,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.38 : 5,067.26 = 2,784.65 : x
  2. Step 2: Convert to fraction form
    3,670.38/5,067.26 = 2,784.65/x
  3. Step 3: Cross multiply
    3,670.38x = 5,067.26 × 2,784.65
  4. Step 4: Simplify right side
    3,670.38x = 14,110,516.74
  5. Step 5: Solve for x
    x = 14,110,516.74/3,670.38
  6. Step 6: Final answer
    x = 3,844.43

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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.