Home / 2,185.47-3,273.08-1,855.53

Finding the Fourth Proportional to 2,185.47, 3,273.08 and 1,855.53

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Solution

The fourth proportional to 2,185.47, 3,273.08 and 1,855.53 is: 2,778.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.47 : 3,273.08 = 1,855.53 : x
  2. Step 2: Convert to fraction form
    2,185.47/3,273.08 = 1,855.53/x
  3. Step 3: Cross multiply
    2,185.47x = 3,273.08 × 1,855.53
  4. Step 4: Simplify right side
    2,185.47x = 6,073,288.85
  5. Step 5: Solve for x
    x = 6,073,288.85/2,185.47
  6. Step 6: Final answer
    x = 2,778.94

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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.