Home / 3,276.65-4,905.32-2,164.03

Finding the Fourth Proportional to 3,276.65, 4,905.32 and 2,164.03

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Solution

The fourth proportional to 3,276.65, 4,905.32 and 2,164.03 is: 3,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.65 : 4,905.32 = 2,164.03 : x
  2. Step 2: Convert to fraction form
    3,276.65/4,905.32 = 2,164.03/x
  3. Step 3: Cross multiply
    3,276.65x = 4,905.32 × 2,164.03
  4. Step 4: Simplify right side
    3,276.65x = 10,615,240.52
  5. Step 5: Solve for x
    x = 10,615,240.52/3,276.65
  6. Step 6: Final answer
    x = 3,239.66

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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.