Home / 2,379.11-3,568.15-1,683.82

Finding the Fourth Proportional to 2,379.11, 3,568.15 and 1,683.82

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Solution

The fourth proportional to 2,379.11, 3,568.15 and 1,683.82 is: 2,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.11 : 3,568.15 = 1,683.82 : x
  2. Step 2: Convert to fraction form
    2,379.11/3,568.15 = 1,683.82/x
  3. Step 3: Cross multiply
    2,379.11x = 3,568.15 × 1,683.82
  4. Step 4: Simplify right side
    2,379.11x = 6,008,128.90
  5. Step 5: Solve for x
    x = 6,008,128.90/2,379.11
  6. Step 6: Final answer
    x = 2,525.37

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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.