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Finding the Fourth Proportional to 2,223.37, 3,335.46 and 762.67

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Solution

The fourth proportional to 2,223.37, 3,335.46 and 762.67 is: 1,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.37 : 3,335.46 = 762.67 : x
  2. Step 2: Convert to fraction form
    2,223.37/3,335.46 = 762.67/x
  3. Step 3: Cross multiply
    2,223.37x = 3,335.46 × 762.67
  4. Step 4: Simplify right side
    2,223.37x = 2,543,855.28
  5. Step 5: Solve for x
    x = 2,543,855.28/2,223.37
  6. Step 6: Final answer
    x = 1,144.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.