Home / 3,286.56-4,927.68-1,339.36

Finding the Fourth Proportional to 3,286.56, 4,927.68 and 1,339.36

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Solution

The fourth proportional to 3,286.56, 4,927.68 and 1,339.36 is: 2,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.56 : 4,927.68 = 1,339.36 : x
  2. Step 2: Convert to fraction form
    3,286.56/4,927.68 = 1,339.36/x
  3. Step 3: Cross multiply
    3,286.56x = 4,927.68 × 1,339.36
  4. Step 4: Simplify right side
    3,286.56x = 6,599,937.48
  5. Step 5: Solve for x
    x = 6,599,937.48/3,286.56
  6. Step 6: Final answer
    x = 2,008.16

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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.