Home / 3,851.57-5,777.67-1,219.25

Finding the Fourth Proportional to 3,851.57, 5,777.67 and 1,219.25

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Solution

The fourth proportional to 3,851.57, 5,777.67 and 1,219.25 is: 1,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.57 : 5,777.67 = 1,219.25 : x
  2. Step 2: Convert to fraction form
    3,851.57/5,777.67 = 1,219.25/x
  3. Step 3: Cross multiply
    3,851.57x = 5,777.67 × 1,219.25
  4. Step 4: Simplify right side
    3,851.57x = 7,044,418.05
  5. Step 5: Solve for x
    x = 7,044,418.05/3,851.57
  6. Step 6: Final answer
    x = 1,828.98

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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.