Home / 3,287.94-4,538.37-1,891.62

Finding the Fourth Proportional to 3,287.94, 4,538.37 and 1,891.62

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Solution

The fourth proportional to 3,287.94, 4,538.37 and 1,891.62 is: 2,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.94 : 4,538.37 = 1,891.62 : x
  2. Step 2: Convert to fraction form
    3,287.94/4,538.37 = 1,891.62/x
  3. Step 3: Cross multiply
    3,287.94x = 4,538.37 × 1,891.62
  4. Step 4: Simplify right side
    3,287.94x = 8,584,871.46
  5. Step 5: Solve for x
    x = 8,584,871.46/3,287.94
  6. Step 6: Final answer
    x = 2,611.02

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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.