Home / 2,786.44-4,179.66-1,633

Finding the Fourth Proportional to 2,786.44, 4,179.66 and 1,633

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Solution

The fourth proportional to 2,786.44, 4,179.66 and 1,633 is: 2,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.44 : 4,179.66 = 1,633 : x
  2. Step 2: Convert to fraction form
    2,786.44/4,179.66 = 1,633/x
  3. Step 3: Cross multiply
    2,786.44x = 4,179.66 × 1,633
  4. Step 4: Simplify right side
    2,786.44x = 6,825,384.78
  5. Step 5: Solve for x
    x = 6,825,384.78/2,786.44
  6. Step 6: Final answer
    x = 2,449.50

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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.