Home / 1,960.05-2,925.99-1,940.61

Finding the Fourth Proportional to 1,960.05, 2,925.99 and 1,940.61

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Solution

The fourth proportional to 1,960.05, 2,925.99 and 1,940.61 is: 2,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.05 : 2,925.99 = 1,940.61 : x
  2. Step 2: Convert to fraction form
    1,960.05/2,925.99 = 1,940.61/x
  3. Step 3: Cross multiply
    1,960.05x = 2,925.99 × 1,940.61
  4. Step 4: Simplify right side
    1,960.05x = 5,678,205.45
  5. Step 5: Solve for x
    x = 5,678,205.45/1,960.05
  6. Step 6: Final answer
    x = 2,896.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.