Home / 2,852.57-3,936.51-1,673.42

Finding the Fourth Proportional to 2,852.57, 3,936.51 and 1,673.42

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Solution

The fourth proportional to 2,852.57, 3,936.51 and 1,673.42 is: 2,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.57 : 3,936.51 = 1,673.42 : x
  2. Step 2: Convert to fraction form
    2,852.57/3,936.51 = 1,673.42/x
  3. Step 3: Cross multiply
    2,852.57x = 3,936.51 × 1,673.42
  4. Step 4: Simplify right side
    2,852.57x = 6,587,414.88
  5. Step 5: Solve for x
    x = 6,587,414.88/2,852.57
  6. Step 6: Final answer
    x = 2,309.30

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1.5x scale

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.