Home / 1,338.18-2,004.84-1,333.32

Finding the Fourth Proportional to 1,338.18, 2,004.84 and 1,333.32

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Solution

The fourth proportional to 1,338.18, 2,004.84 and 1,333.32 is: 1,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338.18 : 2,004.84 = 1,333.32 : x
  2. Step 2: Convert to fraction form
    1,338.18/2,004.84 = 1,333.32/x
  3. Step 3: Cross multiply
    1,338.18x = 2,004.84 × 1,333.32
  4. Step 4: Simplify right side
    1,338.18x = 2,673,093.27
  5. Step 5: Solve for x
    x = 2,673,093.27/1,338.18
  6. Step 6: Final answer
    x = 1,997.56

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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.