Home / 2,722.70-4,085.12-1,262.54

Finding the Fourth Proportional to 2,722.70, 4,085.12 and 1,262.54

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Solution

The fourth proportional to 2,722.70, 4,085.12 and 1,262.54 is: 1,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.70 : 4,085.12 = 1,262.54 : x
  2. Step 2: Convert to fraction form
    2,722.70/4,085.12 = 1,262.54/x
  3. Step 3: Cross multiply
    2,722.70x = 4,085.12 × 1,262.54
  4. Step 4: Simplify right side
    2,722.70x = 5,157,627.40
  5. Step 5: Solve for x
    x = 5,157,627.40/2,722.70
  6. Step 6: Final answer
    x = 1,894.31

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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.