Home / 2,701.38-4,055.58-1,936.74

Finding the Fourth Proportional to 2,701.38, 4,055.58 and 1,936.74

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Solution

The fourth proportional to 2,701.38, 4,055.58 and 1,936.74 is: 2,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.38 : 4,055.58 = 1,936.74 : x
  2. Step 2: Convert to fraction form
    2,701.38/4,055.58 = 1,936.74/x
  3. Step 3: Cross multiply
    2,701.38x = 4,055.58 × 1,936.74
  4. Step 4: Simplify right side
    2,701.38x = 7,854,604.01
  5. Step 5: Solve for x
    x = 7,854,604.01/2,701.38
  6. Step 6: Final answer
    x = 2,907.63

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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.