Home / 2,851.76-3,935.82-1,673.22

Finding the Fourth Proportional to 2,851.76, 3,935.82 and 1,673.22

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Solution

The fourth proportional to 2,851.76, 3,935.82 and 1,673.22 is: 2,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.76 : 3,935.82 = 1,673.22 : x
  2. Step 2: Convert to fraction form
    2,851.76/3,935.82 = 1,673.22/x
  3. Step 3: Cross multiply
    2,851.76x = 3,935.82 × 1,673.22
  4. Step 4: Simplify right side
    2,851.76x = 6,585,492.74
  5. Step 5: Solve for x
    x = 6,585,492.74/2,851.76
  6. Step 6: Final answer
    x = 2,309.27

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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.