Home / 3,008.63-4,512.58-928.62

Finding the Fourth Proportional to 3,008.63, 4,512.58 and 928.62

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Solution

The fourth proportional to 3,008.63, 4,512.58 and 928.62 is: 1,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.63 : 4,512.58 = 928.62 : x
  2. Step 2: Convert to fraction form
    3,008.63/4,512.58 = 928.62/x
  3. Step 3: Cross multiply
    3,008.63x = 4,512.58 × 928.62
  4. Step 4: Simplify right side
    3,008.63x = 4,190,469.72
  5. Step 5: Solve for x
    x = 4,190,469.72/3,008.63
  6. Step 6: Final answer
    x = 1,392.82

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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.