Home / 2,382.38-3,571.74-1,395.80

Finding the Fourth Proportional to 2,382.38, 3,571.74 and 1,395.80

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Solution

The fourth proportional to 2,382.38, 3,571.74 and 1,395.80 is: 2,092.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.38 : 3,571.74 = 1,395.80 : x
  2. Step 2: Convert to fraction form
    2,382.38/3,571.74 = 1,395.80/x
  3. Step 3: Cross multiply
    2,382.38x = 3,571.74 × 1,395.80
  4. Step 4: Simplify right side
    2,382.38x = 4,985,416.83
  5. Step 5: Solve for x
    x = 4,985,416.83/2,382.38
  6. Step 6: Final answer
    x = 2,092.62

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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.