Home / 2,936.31-4,053.21-1,942.94

Finding the Fourth Proportional to 2,936.31, 4,053.21 and 1,942.94

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Solution

The fourth proportional to 2,936.31, 4,053.21 and 1,942.94 is: 2,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.31 : 4,053.21 = 1,942.94 : x
  2. Step 2: Convert to fraction form
    2,936.31/4,053.21 = 1,942.94/x
  3. Step 3: Cross multiply
    2,936.31x = 4,053.21 × 1,942.94
  4. Step 4: Simplify right side
    2,936.31x = 7,875,146.68
  5. Step 5: Solve for x
    x = 7,875,146.68/2,936.31
  6. Step 6: Final answer
    x = 2,681.99

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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.