Home / 2,253.35-3,381.30-1,213.33

Finding the Fourth Proportional to 2,253.35, 3,381.30 and 1,213.33

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Solution

The fourth proportional to 2,253.35, 3,381.30 and 1,213.33 is: 1,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.35 : 3,381.30 = 1,213.33 : x
  2. Step 2: Convert to fraction form
    2,253.35/3,381.30 = 1,213.33/x
  3. Step 3: Cross multiply
    2,253.35x = 3,381.30 × 1,213.33
  4. Step 4: Simplify right side
    2,253.35x = 4,102,627.63
  5. Step 5: Solve for x
    x = 4,102,627.63/2,253.35
  6. Step 6: Final answer
    x = 1,820.68

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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.