Home / 2,905.94-4,359.67-1,262.80

Finding the Fourth Proportional to 2,905.94, 4,359.67 and 1,262.80

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Solution

The fourth proportional to 2,905.94, 4,359.67 and 1,262.80 is: 1,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.94 : 4,359.67 = 1,262.80 : x
  2. Step 2: Convert to fraction form
    2,905.94/4,359.67 = 1,262.80/x
  3. Step 3: Cross multiply
    2,905.94x = 4,359.67 × 1,262.80
  4. Step 4: Simplify right side
    2,905.94x = 5,505,391.28
  5. Step 5: Solve for x
    x = 5,505,391.28/2,905.94
  6. Step 6: Final answer
    x = 1,894.53

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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.