Home / 3,213.07-4,822.34-2,290.88

Finding the Fourth Proportional to 3,213.07, 4,822.34 and 2,290.88

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Solution

The fourth proportional to 3,213.07, 4,822.34 and 2,290.88 is: 3,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.07 : 4,822.34 = 2,290.88 : x
  2. Step 2: Convert to fraction form
    3,213.07/4,822.34 = 2,290.88/x
  3. Step 3: Cross multiply
    3,213.07x = 4,822.34 × 2,290.88
  4. Step 4: Simplify right side
    3,213.07x = 11,047,402.86
  5. Step 5: Solve for x
    x = 11,047,402.86/3,213.07
  6. Step 6: Final answer
    x = 3,438.27

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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.