Home / 3,136.77-4,705.33-1,382.60

Finding the Fourth Proportional to 3,136.77, 4,705.33 and 1,382.60

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Solution

The fourth proportional to 3,136.77, 4,705.33 and 1,382.60 is: 2,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.77 : 4,705.33 = 1,382.60 : x
  2. Step 2: Convert to fraction form
    3,136.77/4,705.33 = 1,382.60/x
  3. Step 3: Cross multiply
    3,136.77x = 4,705.33 × 1,382.60
  4. Step 4: Simplify right side
    3,136.77x = 6,505,580.95
  5. Step 5: Solve for x
    x = 6,505,580.95/3,136.77
  6. Step 6: Final answer
    x = 2,073.97

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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.