Home / 3,013.03-4,519.09-821.94

Finding the Fourth Proportional to 3,013.03, 4,519.09 and 821.94

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Solution

The fourth proportional to 3,013.03, 4,519.09 and 821.94 is: 1,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.03 : 4,519.09 = 821.94 : x
  2. Step 2: Convert to fraction form
    3,013.03/4,519.09 = 821.94/x
  3. Step 3: Cross multiply
    3,013.03x = 4,519.09 × 821.94
  4. Step 4: Simplify right side
    3,013.03x = 3,714,394.13
  5. Step 5: Solve for x
    x = 3,714,394.13/3,013.03
  6. Step 6: Final answer
    x = 1,232.78

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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.