Home / 2,185.92-3,277.67-1,089.99

Finding the Fourth Proportional to 2,185.92, 3,277.67 and 1,089.99

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Solution

The fourth proportional to 2,185.92, 3,277.67 and 1,089.99 is: 1,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.92 : 3,277.67 = 1,089.99 : x
  2. Step 2: Convert to fraction form
    2,185.92/3,277.67 = 1,089.99/x
  3. Step 3: Cross multiply
    2,185.92x = 3,277.67 × 1,089.99
  4. Step 4: Simplify right side
    2,185.92x = 3,572,622.07
  5. Step 5: Solve for x
    x = 3,572,622.07/2,185.92
  6. Step 6: Final answer
    x = 1,634.38

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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.