Home / 2,670.44-4,008.23-1,284.73

Finding the Fourth Proportional to 2,670.44, 4,008.23 and 1,284.73

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Solution

The fourth proportional to 2,670.44, 4,008.23 and 1,284.73 is: 1,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.44 : 4,008.23 = 1,284.73 : x
  2. Step 2: Convert to fraction form
    2,670.44/4,008.23 = 1,284.73/x
  3. Step 3: Cross multiply
    2,670.44x = 4,008.23 × 1,284.73
  4. Step 4: Simplify right side
    2,670.44x = 5,149,488.93
  5. Step 5: Solve for x
    x = 5,149,488.93/2,670.44
  6. Step 6: Final answer
    x = 1,928.33

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1.5x scale

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.