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Finding the Fourth Proportional to 1,995.41, 2,992.93 and 940.98

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Solution

The fourth proportional to 1,995.41, 2,992.93 and 940.98 is: 1,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.41 : 2,992.93 = 940.98 : x
  2. Step 2: Convert to fraction form
    1,995.41/2,992.93 = 940.98/x
  3. Step 3: Cross multiply
    1,995.41x = 2,992.93 × 940.98
  4. Step 4: Simplify right side
    1,995.41x = 2,816,277.54
  5. Step 5: Solve for x
    x = 2,816,277.54/1,995.41
  6. Step 6: Final answer
    x = 1,411.38

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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.