Home / 2,910.82-4,362.66-1,348.70

Finding the Fourth Proportional to 2,910.82, 4,362.66 and 1,348.70

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Solution

The fourth proportional to 2,910.82, 4,362.66 and 1,348.70 is: 2,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.82 : 4,362.66 = 1,348.70 : x
  2. Step 2: Convert to fraction form
    2,910.82/4,362.66 = 1,348.70/x
  3. Step 3: Cross multiply
    2,910.82x = 4,362.66 × 1,348.70
  4. Step 4: Simplify right side
    2,910.82x = 5,883,919.54
  5. Step 5: Solve for x
    x = 5,883,919.54/2,910.82
  6. Step 6: Final answer
    x = 2,021.40

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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.