Home / 3,851.63-5,776.62-1,219.35

Finding the Fourth Proportional to 3,851.63, 5,776.62 and 1,219.35

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Solution

The fourth proportional to 3,851.63, 5,776.62 and 1,219.35 is: 1,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.63 : 5,776.62 = 1,219.35 : x
  2. Step 2: Convert to fraction form
    3,851.63/5,776.62 = 1,219.35/x
  3. Step 3: Cross multiply
    3,851.63x = 5,776.62 × 1,219.35
  4. Step 4: Simplify right side
    3,851.63x = 7,043,738.69
  5. Step 5: Solve for x
    x = 7,043,738.69/3,851.63
  6. Step 6: Final answer
    x = 1,828.77

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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.