Home / 2,764.59-4,144.80-1,668.69

Finding the Fourth Proportional to 2,764.59, 4,144.80 and 1,668.69

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Solution

The fourth proportional to 2,764.59, 4,144.80 and 1,668.69 is: 2,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.59 : 4,144.80 = 1,668.69 : x
  2. Step 2: Convert to fraction form
    2,764.59/4,144.80 = 1,668.69/x
  3. Step 3: Cross multiply
    2,764.59x = 4,144.80 × 1,668.69
  4. Step 4: Simplify right side
    2,764.59x = 6,916,400.85
  5. Step 5: Solve for x
    x = 6,916,400.85/2,764.59
  6. Step 6: Final answer
    x = 2,501.79

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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.