Home / 2,950.89-4,074.29-2,067.90

Finding the Fourth Proportional to 2,950.89, 4,074.29 and 2,067.90

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Solution

The fourth proportional to 2,950.89, 4,074.29 and 2,067.90 is: 2,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.89 : 4,074.29 = 2,067.90 : x
  2. Step 2: Convert to fraction form
    2,950.89/4,074.29 = 2,067.90/x
  3. Step 3: Cross multiply
    2,950.89x = 4,074.29 × 2,067.90
  4. Step 4: Simplify right side
    2,950.89x = 8,425,224.29
  5. Step 5: Solve for x
    x = 8,425,224.29/2,950.89
  6. Step 6: Final answer
    x = 2,855.15

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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.