Home / 3,137.08-4,705.62-945.88

Finding the Fourth Proportional to 3,137.08, 4,705.62 and 945.88

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Solution

The fourth proportional to 3,137.08, 4,705.62 and 945.88 is: 1,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.08 : 4,705.62 = 945.88 : x
  2. Step 2: Convert to fraction form
    3,137.08/4,705.62 = 945.88/x
  3. Step 3: Cross multiply
    3,137.08x = 4,705.62 × 945.88
  4. Step 4: Simplify right side
    3,137.08x = 4,450,951.85
  5. Step 5: Solve for x
    x = 4,450,951.85/3,137.08
  6. Step 6: Final answer
    x = 1,418.82

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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.