Home / 3,013.12-4,519.23-822.03

Finding the Fourth Proportional to 3,013.12, 4,519.23 and 822.03

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Solution

The fourth proportional to 3,013.12, 4,519.23 and 822.03 is: 1,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.12 : 4,519.23 = 822.03 : x
  2. Step 2: Convert to fraction form
    3,013.12/4,519.23 = 822.03/x
  3. Step 3: Cross multiply
    3,013.12x = 4,519.23 × 822.03
  4. Step 4: Simplify right side
    3,013.12x = 3,714,920.04
  5. Step 5: Solve for x
    x = 3,714,920.04/3,013.12
  6. Step 6: Final answer
    x = 1,232.91

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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.