Home / 3,272.60-4,902.74-1,628.28

Finding the Fourth Proportional to 3,272.60, 4,902.74 and 1,628.28

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Solution

The fourth proportional to 3,272.60, 4,902.74 and 1,628.28 is: 2,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.60 : 4,902.74 = 1,628.28 : x
  2. Step 2: Convert to fraction form
    3,272.60/4,902.74 = 1,628.28/x
  3. Step 3: Cross multiply
    3,272.60x = 4,902.74 × 1,628.28
  4. Step 4: Simplify right side
    3,272.60x = 7,983,033.49
  5. Step 5: Solve for x
    x = 7,983,033.49/3,272.60
  6. Step 6: Final answer
    x = 2,439.36

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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.