Home / 3,214.22-4,821.34-1,266.38

Finding the Fourth Proportional to 3,214.22, 4,821.34 and 1,266.38

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Solution

The fourth proportional to 3,214.22, 4,821.34 and 1,266.38 is: 1,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.22 : 4,821.34 = 1,266.38 : x
  2. Step 2: Convert to fraction form
    3,214.22/4,821.34 = 1,266.38/x
  3. Step 3: Cross multiply
    3,214.22x = 4,821.34 × 1,266.38
  4. Step 4: Simplify right side
    3,214.22x = 6,105,621.28
  5. Step 5: Solve for x
    x = 6,105,621.28/3,214.22
  6. Step 6: Final answer
    x = 1,899.56

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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.