Home / 3,213.29-4,822.67-1,266.86

Finding the Fourth Proportional to 3,213.29, 4,822.67 and 1,266.86

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Solution

The fourth proportional to 3,213.29, 4,822.67 and 1,266.86 is: 1,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.29 : 4,822.67 = 1,266.86 : x
  2. Step 2: Convert to fraction form
    3,213.29/4,822.67 = 1,266.86/x
  3. Step 3: Cross multiply
    3,213.29x = 4,822.67 × 1,266.86
  4. Step 4: Simplify right side
    3,213.29x = 6,109,647.72
  5. Step 5: Solve for x
    x = 6,109,647.72/3,213.29
  6. Step 6: Final answer
    x = 1,901.37

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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.