Home / 3,663.45-5,485.46-1,928.43

Finding the Fourth Proportional to 3,663.45, 5,485.46 and 1,928.43

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Solution

The fourth proportional to 3,663.45, 5,485.46 and 1,928.43 is: 2,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.45 : 5,485.46 = 1,928.43 : x
  2. Step 2: Convert to fraction form
    3,663.45/5,485.46 = 1,928.43/x
  3. Step 3: Cross multiply
    3,663.45x = 5,485.46 × 1,928.43
  4. Step 4: Simplify right side
    3,663.45x = 10,578,315.99
  5. Step 5: Solve for x
    x = 10,578,315.99/3,663.45
  6. Step 6: Final answer
    x = 2,887.53

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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.