Home / 2,851.94-3,935.76-1,673.02

Finding the Fourth Proportional to 2,851.94, 3,935.76 and 1,673.02

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Solution

The fourth proportional to 2,851.94, 3,935.76 and 1,673.02 is: 2,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.94 : 3,935.76 = 1,673.02 : x
  2. Step 2: Convert to fraction form
    2,851.94/3,935.76 = 1,673.02/x
  3. Step 3: Cross multiply
    2,851.94x = 3,935.76 × 1,673.02
  4. Step 4: Simplify right side
    2,851.94x = 6,584,603.84
  5. Step 5: Solve for x
    x = 6,584,603.84/2,851.94
  6. Step 6: Final answer
    x = 2,308.81

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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.