Home / 2,790.33-4,161.90-2,354.46

Finding the Fourth Proportional to 2,790.33, 4,161.90 and 2,354.46

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Solution

The fourth proportional to 2,790.33, 4,161.90 and 2,354.46 is: 3,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.33 : 4,161.90 = 2,354.46 : x
  2. Step 2: Convert to fraction form
    2,790.33/4,161.90 = 2,354.46/x
  3. Step 3: Cross multiply
    2,790.33x = 4,161.90 × 2,354.46
  4. Step 4: Simplify right side
    2,790.33x = 9,799,027.07
  5. Step 5: Solve for x
    x = 9,799,027.07/2,790.33
  6. Step 6: Final answer
    x = 3,511.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.