Home / 3,338.26-4,607.22-1,940.98

Finding the Fourth Proportional to 3,338.26, 4,607.22 and 1,940.98

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Solution

The fourth proportional to 3,338.26, 4,607.22 and 1,940.98 is: 2,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.26 : 4,607.22 = 1,940.98 : x
  2. Step 2: Convert to fraction form
    3,338.26/4,607.22 = 1,940.98/x
  3. Step 3: Cross multiply
    3,338.26x = 4,607.22 × 1,940.98
  4. Step 4: Simplify right side
    3,338.26x = 8,942,521.88
  5. Step 5: Solve for x
    x = 8,942,521.88/3,338.26
  6. Step 6: Final answer
    x = 2,678.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.