Home / 3,257.48-4,886.42-1,309.68

Finding the Fourth Proportional to 3,257.48, 4,886.42 and 1,309.68

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Solution

The fourth proportional to 3,257.48, 4,886.42 and 1,309.68 is: 1,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.48 : 4,886.42 = 1,309.68 : x
  2. Step 2: Convert to fraction form
    3,257.48/4,886.42 = 1,309.68/x
  3. Step 3: Cross multiply
    3,257.48x = 4,886.42 × 1,309.68
  4. Step 4: Simplify right side
    3,257.48x = 6,399,640.00
  5. Step 5: Solve for x
    x = 6,399,640.00/3,257.48
  6. Step 6: Final answer
    x = 1,964.60

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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.