Home / 3,021.69-4,536.18-1,790.49

Finding the Fourth Proportional to 3,021.69, 4,536.18 and 1,790.49

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Solution

The fourth proportional to 3,021.69, 4,536.18 and 1,790.49 is: 2,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.69 : 4,536.18 = 1,790.49 : x
  2. Step 2: Convert to fraction form
    3,021.69/4,536.18 = 1,790.49/x
  3. Step 3: Cross multiply
    3,021.69x = 4,536.18 × 1,790.49
  4. Step 4: Simplify right side
    3,021.69x = 8,121,984.93
  5. Step 5: Solve for x
    x = 8,121,984.93/3,021.69
  6. Step 6: Final answer
    x = 2,687.89

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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.