Home / 2,489.36-3,729.72-1,333.04

Finding the Fourth Proportional to 2,489.36, 3,729.72 and 1,333.04

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Solution

The fourth proportional to 2,489.36, 3,729.72 and 1,333.04 is: 1,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.36 : 3,729.72 = 1,333.04 : x
  2. Step 2: Convert to fraction form
    2,489.36/3,729.72 = 1,333.04/x
  3. Step 3: Cross multiply
    2,489.36x = 3,729.72 × 1,333.04
  4. Step 4: Simplify right side
    2,489.36x = 4,971,865.95
  5. Step 5: Solve for x
    x = 4,971,865.95/2,489.36
  6. Step 6: Final answer
    x = 1,997.25

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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.