Home / 2,912.51-4,021.94-1,850.63

Finding the Fourth Proportional to 2,912.51, 4,021.94 and 1,850.63

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Solution

The fourth proportional to 2,912.51, 4,021.94 and 1,850.63 is: 2,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.51 : 4,021.94 = 1,850.63 : x
  2. Step 2: Convert to fraction form
    2,912.51/4,021.94 = 1,850.63/x
  3. Step 3: Cross multiply
    2,912.51x = 4,021.94 × 1,850.63
  4. Step 4: Simplify right side
    2,912.51x = 7,443,093.46
  5. Step 5: Solve for x
    x = 7,443,093.46/2,912.51
  6. Step 6: Final answer
    x = 2,555.56

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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.