Home / 2,067.64-2,853.84-1,171.60

Finding the Fourth Proportional to 2,067.64, 2,853.84 and 1,171.60

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Solution

The fourth proportional to 2,067.64, 2,853.84 and 1,171.60 is: 1,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.64 : 2,853.84 = 1,171.60 : x
  2. Step 2: Convert to fraction form
    2,067.64/2,853.84 = 1,171.60/x
  3. Step 3: Cross multiply
    2,067.64x = 2,853.84 × 1,171.60
  4. Step 4: Simplify right side
    2,067.64x = 3,343,558.94
  5. Step 5: Solve for x
    x = 3,343,558.94/2,067.64
  6. Step 6: Final answer
    x = 1,617.09

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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.