Home / 2,761.25-4,137.53-1,927.49

Finding the Fourth Proportional to 2,761.25, 4,137.53 and 1,927.49

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Solution

The fourth proportional to 2,761.25, 4,137.53 and 1,927.49 is: 2,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.25 : 4,137.53 = 1,927.49 : x
  2. Step 2: Convert to fraction form
    2,761.25/4,137.53 = 1,927.49/x
  3. Step 3: Cross multiply
    2,761.25x = 4,137.53 × 1,927.49
  4. Step 4: Simplify right side
    2,761.25x = 7,975,017.37
  5. Step 5: Solve for x
    x = 7,975,017.37/2,761.25
  6. Step 6: Final answer
    x = 2,888.20

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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.