Home / 3,628.23-5,441.50-1,678.56

Finding the Fourth Proportional to 3,628.23, 5,441.50 and 1,678.56

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Solution

The fourth proportional to 3,628.23, 5,441.50 and 1,678.56 is: 2,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.23 : 5,441.50 = 1,678.56 : x
  2. Step 2: Convert to fraction form
    3,628.23/5,441.50 = 1,678.56/x
  3. Step 3: Cross multiply
    3,628.23x = 5,441.50 × 1,678.56
  4. Step 4: Simplify right side
    3,628.23x = 9,133,884.24
  5. Step 5: Solve for x
    x = 9,133,884.24/3,628.23
  6. Step 6: Final answer
    x = 2,517.45

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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.