Home / 3,675.15-5,512.65-1,208.97

Finding the Fourth Proportional to 3,675.15, 5,512.65 and 1,208.97

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Solution

The fourth proportional to 3,675.15, 5,512.65 and 1,208.97 is: 1,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.15 : 5,512.65 = 1,208.97 : x
  2. Step 2: Convert to fraction form
    3,675.15/5,512.65 = 1,208.97/x
  3. Step 3: Cross multiply
    3,675.15x = 5,512.65 × 1,208.97
  4. Step 4: Simplify right side
    3,675.15x = 6,664,628.47
  5. Step 5: Solve for x
    x = 6,664,628.47/3,675.15
  6. Step 6: Final answer
    x = 1,813.43

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1.5x scale

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.