Home / 3,631.92-5,450.79-1,877.44

Finding the Fourth Proportional to 3,631.92, 5,450.79 and 1,877.44

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Solution

The fourth proportional to 3,631.92, 5,450.79 and 1,877.44 is: 2,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.92 : 5,450.79 = 1,877.44 : x
  2. Step 2: Convert to fraction form
    3,631.92/5,450.79 = 1,877.44/x
  3. Step 3: Cross multiply
    3,631.92x = 5,450.79 × 1,877.44
  4. Step 4: Simplify right side
    3,631.92x = 10,233,514.37
  5. Step 5: Solve for x
    x = 10,233,514.37/3,631.92
  6. Step 6: Final answer
    x = 2,817.66

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1.5x scale

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.