Home / 3,755.07-5,181.87-2,076.63

Finding the Fourth Proportional to 3,755.07, 5,181.87 and 2,076.63

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Solution

The fourth proportional to 3,755.07, 5,181.87 and 2,076.63 is: 2,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.07 : 5,181.87 = 2,076.63 : x
  2. Step 2: Convert to fraction form
    3,755.07/5,181.87 = 2,076.63/x
  3. Step 3: Cross multiply
    3,755.07x = 5,181.87 × 2,076.63
  4. Step 4: Simplify right side
    3,755.07x = 10,760,826.70
  5. Step 5: Solve for x
    x = 10,760,826.70/3,755.07
  6. Step 6: Final answer
    x = 2,865.68

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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.