Home / 1,968.87-2,936.67-1,854.66

Finding the Fourth Proportional to 1,968.87, 2,936.67 and 1,854.66

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Solution

The fourth proportional to 1,968.87, 2,936.67 and 1,854.66 is: 2,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.87 : 2,936.67 = 1,854.66 : x
  2. Step 2: Convert to fraction form
    1,968.87/2,936.67 = 1,854.66/x
  3. Step 3: Cross multiply
    1,968.87x = 2,936.67 × 1,854.66
  4. Step 4: Simplify right side
    1,968.87x = 5,446,524.38
  5. Step 5: Solve for x
    x = 5,446,524.38/1,968.87
  6. Step 6: Final answer
    x = 2,766.32

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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.