Home / 3,287.32-4,537.09-1,942.88

Finding the Fourth Proportional to 3,287.32, 4,537.09 and 1,942.88

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Solution

The fourth proportional to 3,287.32, 4,537.09 and 1,942.88 is: 2,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.32 : 4,537.09 = 1,942.88 : x
  2. Step 2: Convert to fraction form
    3,287.32/4,537.09 = 1,942.88/x
  3. Step 3: Cross multiply
    3,287.32x = 4,537.09 × 1,942.88
  4. Step 4: Simplify right side
    3,287.32x = 8,814,993.88
  5. Step 5: Solve for x
    x = 8,814,993.88/3,287.32
  6. Step 6: Final answer
    x = 2,681.51

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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.