Home / 3,288.63-4,931.91-1,902.60

Finding the Fourth Proportional to 3,288.63, 4,931.91 and 1,902.60

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Solution

The fourth proportional to 3,288.63, 4,931.91 and 1,902.60 is: 2,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.63 : 4,931.91 = 1,902.60 : x
  2. Step 2: Convert to fraction form
    3,288.63/4,931.91 = 1,902.60/x
  3. Step 3: Cross multiply
    3,288.63x = 4,931.91 × 1,902.60
  4. Step 4: Simplify right side
    3,288.63x = 9,383,451.97
  5. Step 5: Solve for x
    x = 9,383,451.97/3,288.63
  6. Step 6: Final answer
    x = 2,853.30

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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.