Home / 3,288.94-4,538.73-1,891.69

Finding the Fourth Proportional to 3,288.94, 4,538.73 and 1,891.69

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Solution

The fourth proportional to 3,288.94, 4,538.73 and 1,891.69 is: 2,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.94 : 4,538.73 = 1,891.69 : x
  2. Step 2: Convert to fraction form
    3,288.94/4,538.73 = 1,891.69/x
  3. Step 3: Cross multiply
    3,288.94x = 4,538.73 × 1,891.69
  4. Step 4: Simplify right side
    3,288.94x = 8,585,865.90
  5. Step 5: Solve for x
    x = 8,585,865.90/3,288.94
  6. Step 6: Final answer
    x = 2,610.53

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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.