Home / 2,767.68-4,147.47-1,790.82

Finding the Fourth Proportional to 2,767.68, 4,147.47 and 1,790.82

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Solution

The fourth proportional to 2,767.68, 4,147.47 and 1,790.82 is: 2,683.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.68 : 4,147.47 = 1,790.82 : x
  2. Step 2: Convert to fraction form
    2,767.68/4,147.47 = 1,790.82/x
  3. Step 3: Cross multiply
    2,767.68x = 4,147.47 × 1,790.82
  4. Step 4: Simplify right side
    2,767.68x = 7,427,372.23
  5. Step 5: Solve for x
    x = 7,427,372.23/2,767.68
  6. Step 6: Final answer
    x = 2,683.61

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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.