Home / 2,910.68-4,370.44-1,821.92

Finding the Fourth Proportional to 2,910.68, 4,370.44 and 1,821.92

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Solution

The fourth proportional to 2,910.68, 4,370.44 and 1,821.92 is: 2,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.68 : 4,370.44 = 1,821.92 : x
  2. Step 2: Convert to fraction form
    2,910.68/4,370.44 = 1,821.92/x
  3. Step 3: Cross multiply
    2,910.68x = 4,370.44 × 1,821.92
  4. Step 4: Simplify right side
    2,910.68x = 7,962,592.04
  5. Step 5: Solve for x
    x = 7,962,592.04/2,910.68
  6. Step 6: Final answer
    x = 2,735.65

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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.