Home / 3,137.60-4,704.88-945.92

Finding the Fourth Proportional to 3,137.60, 4,704.88 and 945.92

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Solution

The fourth proportional to 3,137.60, 4,704.88 and 945.92 is: 1,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.60 : 4,704.88 = 945.92 : x
  2. Step 2: Convert to fraction form
    3,137.60/4,704.88 = 945.92/x
  3. Step 3: Cross multiply
    3,137.60x = 4,704.88 × 945.92
  4. Step 4: Simplify right side
    3,137.60x = 4,450,440.09
  5. Step 5: Solve for x
    x = 4,450,440.09/3,137.60
  6. Step 6: Final answer
    x = 1,418.42

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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.