Home / 2,379.27-3,570.26-1,283.61

Finding the Fourth Proportional to 2,379.27, 3,570.26 and 1,283.61

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Solution

The fourth proportional to 2,379.27, 3,570.26 and 1,283.61 is: 1,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.27 : 3,570.26 = 1,283.61 : x
  2. Step 2: Convert to fraction form
    2,379.27/3,570.26 = 1,283.61/x
  3. Step 3: Cross multiply
    2,379.27x = 3,570.26 × 1,283.61
  4. Step 4: Simplify right side
    2,379.27x = 4,582,821.44
  5. Step 5: Solve for x
    x = 4,582,821.44/2,379.27
  6. Step 6: Final answer
    x = 1,926.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.