Home / 2,627.98-3,945.85-1,755.88

Finding the Fourth Proportional to 2,627.98, 3,945.85 and 1,755.88

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Solution

The fourth proportional to 2,627.98, 3,945.85 and 1,755.88 is: 2,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.98 : 3,945.85 = 1,755.88 : x
  2. Step 2: Convert to fraction form
    2,627.98/3,945.85 = 1,755.88/x
  3. Step 3: Cross multiply
    2,627.98x = 3,945.85 × 1,755.88
  4. Step 4: Simplify right side
    2,627.98x = 6,928,424.84
  5. Step 5: Solve for x
    x = 6,928,424.84/2,627.98
  6. Step 6: Final answer
    x = 2,636.41

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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.