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Finding the Fourth Proportional to 2,201.84, 3,303.30 and 662.84

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Solution

The fourth proportional to 2,201.84, 3,303.30 and 662.84 is: 994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.84 : 3,303.30 = 662.84 : x
  2. Step 2: Convert to fraction form
    2,201.84/3,303.30 = 662.84/x
  3. Step 3: Cross multiply
    2,201.84x = 3,303.30 × 662.84
  4. Step 4: Simplify right side
    2,201.84x = 2,189,559.37
  5. Step 5: Solve for x
    x = 2,189,559.37/2,201.84
  6. Step 6: Final answer
    x = 994.42

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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.