Home / 3,213.44-4,818.34-1,338.08

Finding the Fourth Proportional to 3,213.44, 4,818.34 and 1,338.08

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Solution

The fourth proportional to 3,213.44, 4,818.34 and 1,338.08 is: 2,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.44 : 4,818.34 = 1,338.08 : x
  2. Step 2: Convert to fraction form
    3,213.44/4,818.34 = 1,338.08/x
  3. Step 3: Cross multiply
    3,213.44x = 4,818.34 × 1,338.08
  4. Step 4: Simplify right side
    3,213.44x = 6,447,324.39
  5. Step 5: Solve for x
    x = 6,447,324.39/3,213.44
  6. Step 6: Final answer
    x = 2,006.36

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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.