Home / 3,311.73-4,955.75-2,868.53

Finding the Fourth Proportional to 3,311.73, 4,955.75 and 2,868.53

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Solution

The fourth proportional to 3,311.73, 4,955.75 and 2,868.53 is: 4,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.73 : 4,955.75 = 2,868.53 : x
  2. Step 2: Convert to fraction form
    3,311.73/4,955.75 = 2,868.53/x
  3. Step 3: Cross multiply
    3,311.73x = 4,955.75 × 2,868.53
  4. Step 4: Simplify right side
    3,311.73x = 14,215,717.55
  5. Step 5: Solve for x
    x = 14,215,717.55/3,311.73
  6. Step 6: Final answer
    x = 4,292.54

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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.