Home / 2,764.73-4,146.95-1,668.80

Finding the Fourth Proportional to 2,764.73, 4,146.95 and 1,668.80

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Solution

The fourth proportional to 2,764.73, 4,146.95 and 1,668.80 is: 2,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.73 : 4,146.95 = 1,668.80 : x
  2. Step 2: Convert to fraction form
    2,764.73/4,146.95 = 1,668.80/x
  3. Step 3: Cross multiply
    2,764.73x = 4,146.95 × 1,668.80
  4. Step 4: Simplify right side
    2,764.73x = 6,920,435.31
  5. Step 5: Solve for x
    x = 6,920,435.31/2,764.73
  6. Step 6: Final answer
    x = 2,503.11

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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.