Home / 2,755.85-3,801.33-1,635.99

Finding the Fourth Proportional to 2,755.85, 3,801.33 and 1,635.99

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Solution

The fourth proportional to 2,755.85, 3,801.33 and 1,635.99 is: 2,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.85 : 3,801.33 = 1,635.99 : x
  2. Step 2: Convert to fraction form
    2,755.85/3,801.33 = 1,635.99/x
  3. Step 3: Cross multiply
    2,755.85x = 3,801.33 × 1,635.99
  4. Step 4: Simplify right side
    2,755.85x = 6,218,937.87
  5. Step 5: Solve for x
    x = 6,218,937.87/2,755.85
  6. Step 6: Final answer
    x = 2,256.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.