Home / 3,014.08-4,521.20-822.80

Finding the Fourth Proportional to 3,014.08, 4,521.20 and 822.80

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Solution

The fourth proportional to 3,014.08, 4,521.20 and 822.80 is: 1,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.08 : 4,521.20 = 822.80 : x
  2. Step 2: Convert to fraction form
    3,014.08/4,521.20 = 822.80/x
  3. Step 3: Cross multiply
    3,014.08x = 4,521.20 × 822.80
  4. Step 4: Simplify right side
    3,014.08x = 3,720,043.36
  5. Step 5: Solve for x
    x = 3,720,043.36/3,014.08
  6. Step 6: Final answer
    x = 1,234.22

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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.