Home / 1,668.24-2,289.84-1,477.56

Finding the Fourth Proportional to 1,668.24, 2,289.84 and 1,477.56

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Solution

The fourth proportional to 1,668.24, 2,289.84 and 1,477.56 is: 2,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.24 : 2,289.84 = 1,477.56 : x
  2. Step 2: Convert to fraction form
    1,668.24/2,289.84 = 1,477.56/x
  3. Step 3: Cross multiply
    1,668.24x = 2,289.84 × 1,477.56
  4. Step 4: Simplify right side
    1,668.24x = 3,383,375.99
  5. Step 5: Solve for x
    x = 3,383,375.99/1,668.24
  6. Step 6: Final answer
    x = 2,028.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.