Home / 2,851.16-4,277.97-1,208.07

Finding the Fourth Proportional to 2,851.16, 4,277.97 and 1,208.07

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Solution

The fourth proportional to 2,851.16, 4,277.97 and 1,208.07 is: 1,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.16 : 4,277.97 = 1,208.07 : x
  2. Step 2: Convert to fraction form
    2,851.16/4,277.97 = 1,208.07/x
  3. Step 3: Cross multiply
    2,851.16x = 4,277.97 × 1,208.07
  4. Step 4: Simplify right side
    2,851.16x = 5,168,087.22
  5. Step 5: Solve for x
    x = 5,168,087.22/2,851.16
  6. Step 6: Final answer
    x = 1,812.63

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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.