Home / 3,213.13-4,822.44-2,290.95

Finding the Fourth Proportional to 3,213.13, 4,822.44 and 2,290.95

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Solution

The fourth proportional to 3,213.13, 4,822.44 and 2,290.95 is: 3,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.13 : 4,822.44 = 2,290.95 : x
  2. Step 2: Convert to fraction form
    3,213.13/4,822.44 = 2,290.95/x
  3. Step 3: Cross multiply
    3,213.13x = 4,822.44 × 2,290.95
  4. Step 4: Simplify right side
    3,213.13x = 11,047,968.92
  5. Step 5: Solve for x
    x = 11,047,968.92/3,213.13
  6. Step 6: Final answer
    x = 3,438.38

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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.