Home / 3,014.07-4,520.97-822.81

Finding the Fourth Proportional to 3,014.07, 4,520.97 and 822.81

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Solution

The fourth proportional to 3,014.07, 4,520.97 and 822.81 is: 1,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.07 : 4,520.97 = 822.81 : x
  2. Step 2: Convert to fraction form
    3,014.07/4,520.97 = 822.81/x
  3. Step 3: Cross multiply
    3,014.07x = 4,520.97 × 822.81
  4. Step 4: Simplify right side
    3,014.07x = 3,719,899.33
  5. Step 5: Solve for x
    x = 3,719,899.33/3,014.07
  6. Step 6: Final answer
    x = 1,234.18

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1.5x scale

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.