Home / 2,910.22-4,361.16-2,166.46

Finding the Fourth Proportional to 2,910.22, 4,361.16 and 2,166.46

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Solution

The fourth proportional to 2,910.22, 4,361.16 and 2,166.46 is: 3,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.22 : 4,361.16 = 2,166.46 : x
  2. Step 2: Convert to fraction form
    2,910.22/4,361.16 = 2,166.46/x
  3. Step 3: Cross multiply
    2,910.22x = 4,361.16 × 2,166.46
  4. Step 4: Simplify right side
    2,910.22x = 9,448,278.69
  5. Step 5: Solve for x
    x = 9,448,278.69/2,910.22
  6. Step 6: Final answer
    x = 3,246.59

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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.