Home / 2,908.07-4,013.22-1,789.66

Finding the Fourth Proportional to 2,908.07, 4,013.22 and 1,789.66

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Solution

The fourth proportional to 2,908.07, 4,013.22 and 1,789.66 is: 2,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.07 : 4,013.22 = 1,789.66 : x
  2. Step 2: Convert to fraction form
    2,908.07/4,013.22 = 1,789.66/x
  3. Step 3: Cross multiply
    2,908.07x = 4,013.22 × 1,789.66
  4. Step 4: Simplify right side
    2,908.07x = 7,182,299.31
  5. Step 5: Solve for x
    x = 7,182,299.31/2,908.07
  6. Step 6: Final answer
    x = 2,469.78

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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.