Home / 3,780.26-5,668.49-1,314.41

Finding the Fourth Proportional to 3,780.26, 5,668.49 and 1,314.41

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Solution

The fourth proportional to 3,780.26, 5,668.49 and 1,314.41 is: 1,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.26 : 5,668.49 = 1,314.41 : x
  2. Step 2: Convert to fraction form
    3,780.26/5,668.49 = 1,314.41/x
  3. Step 3: Cross multiply
    3,780.26x = 5,668.49 × 1,314.41
  4. Step 4: Simplify right side
    3,780.26x = 7,450,737.40
  5. Step 5: Solve for x
    x = 7,450,737.40/3,780.26
  6. Step 6: Final answer
    x = 1,970.96

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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.