Home / 3,076.16-4,243.48-2,081.77

Finding the Fourth Proportional to 3,076.16, 4,243.48 and 2,081.77

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Solution

The fourth proportional to 3,076.16, 4,243.48 and 2,081.77 is: 2,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.16 : 4,243.48 = 2,081.77 : x
  2. Step 2: Convert to fraction form
    3,076.16/4,243.48 = 2,081.77/x
  3. Step 3: Cross multiply
    3,076.16x = 4,243.48 × 2,081.77
  4. Step 4: Simplify right side
    3,076.16x = 8,833,933.55
  5. Step 5: Solve for x
    x = 8,833,933.55/3,076.16
  6. Step 6: Final answer
    x = 2,871.75

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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.