Home / 2,852.28-3,936-1,673.64

Finding the Fourth Proportional to 2,852.28, 3,936 and 1,673.64

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Solution

The fourth proportional to 2,852.28, 3,936 and 1,673.64 is: 2,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.28 : 3,936 = 1,673.64 : x
  2. Step 2: Convert to fraction form
    2,852.28/3,936 = 1,673.64/x
  3. Step 3: Cross multiply
    2,852.28x = 3,936 × 1,673.64
  4. Step 4: Simplify right side
    2,852.28x = 6,587,447.04
  5. Step 5: Solve for x
    x = 6,587,447.04/2,852.28
  6. Step 6: Final answer
    x = 2,309.54

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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.