Home / 3,257.25-4,886.09-1,309.46

Finding the Fourth Proportional to 3,257.25, 4,886.09 and 1,309.46

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Solution

The fourth proportional to 3,257.25, 4,886.09 and 1,309.46 is: 1,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.25 : 4,886.09 = 1,309.46 : x
  2. Step 2: Convert to fraction form
    3,257.25/4,886.09 = 1,309.46/x
  3. Step 3: Cross multiply
    3,257.25x = 4,886.09 × 1,309.46
  4. Step 4: Simplify right side
    3,257.25x = 6,398,108.43
  5. Step 5: Solve for x
    x = 6,398,108.43/3,257.25
  6. Step 6: Final answer
    x = 1,964.27

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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.