Home / 2,074.37-2,863.38-1,375.97

Finding the Fourth Proportional to 2,074.37, 2,863.38 and 1,375.97

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Solution

The fourth proportional to 2,074.37, 2,863.38 and 1,375.97 is: 1,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.37 : 2,863.38 = 1,375.97 : x
  2. Step 2: Convert to fraction form
    2,074.37/2,863.38 = 1,375.97/x
  3. Step 3: Cross multiply
    2,074.37x = 2,863.38 × 1,375.97
  4. Step 4: Simplify right side
    2,074.37x = 3,939,910.66
  5. Step 5: Solve for x
    x = 3,939,910.66/2,074.37
  6. Step 6: Final answer
    x = 1,899.33

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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.