Home / 2,976.12-4,453.44-1,801.80

Finding the Fourth Proportional to 2,976.12, 4,453.44 and 1,801.80

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Solution

The fourth proportional to 2,976.12, 4,453.44 and 1,801.80 is: 2,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.12 : 4,453.44 = 1,801.80 : x
  2. Step 2: Convert to fraction form
    2,976.12/4,453.44 = 1,801.80/x
  3. Step 3: Cross multiply
    2,976.12x = 4,453.44 × 1,801.80
  4. Step 4: Simplify right side
    2,976.12x = 8,024,208.19
  5. Step 5: Solve for x
    x = 8,024,208.19/2,976.12
  6. Step 6: Final answer
    x = 2,696.20

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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.