Home / 3,755.15-5,182.08-2,076.56

Finding the Fourth Proportional to 3,755.15, 5,182.08 and 2,076.56

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Solution

The fourth proportional to 3,755.15, 5,182.08 and 2,076.56 is: 2,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.15 : 5,182.08 = 2,076.56 : x
  2. Step 2: Convert to fraction form
    3,755.15/5,182.08 = 2,076.56/x
  3. Step 3: Cross multiply
    3,755.15x = 5,182.08 × 2,076.56
  4. Step 4: Simplify right side
    3,755.15x = 10,760,900.04
  5. Step 5: Solve for x
    x = 10,760,900.04/3,755.15
  6. Step 6: Final answer
    x = 2,865.64

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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.