Home / 1,493.22-2,229.09-1,385.08

Finding the Fourth Proportional to 1,493.22, 2,229.09 and 1,385.08

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Solution

The fourth proportional to 1,493.22, 2,229.09 and 1,385.08 is: 2,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.22 : 2,229.09 = 1,385.08 : x
  2. Step 2: Convert to fraction form
    1,493.22/2,229.09 = 1,385.08/x
  3. Step 3: Cross multiply
    1,493.22x = 2,229.09 × 1,385.08
  4. Step 4: Simplify right side
    1,493.22x = 3,087,469.75
  5. Step 5: Solve for x
    x = 3,087,469.75/1,493.22
  6. Step 6: Final answer
    x = 2,067.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.