Home / 2,628.82-3,628.39-1,634.85

Finding the Fourth Proportional to 2,628.82, 3,628.39 and 1,634.85

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Solution

The fourth proportional to 2,628.82, 3,628.39 and 1,634.85 is: 2,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.82 : 3,628.39 = 1,634.85 : x
  2. Step 2: Convert to fraction form
    2,628.82/3,628.39 = 1,634.85/x
  3. Step 3: Cross multiply
    2,628.82x = 3,628.39 × 1,634.85
  4. Step 4: Simplify right side
    2,628.82x = 5,931,873.39
  5. Step 5: Solve for x
    x = 5,931,873.39/2,628.82
  6. Step 6: Final answer
    x = 2,256.48

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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.