Home / 3,086.37-4,256.35-2,730.98

Finding the Fourth Proportional to 3,086.37, 4,256.35 and 2,730.98

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Solution

The fourth proportional to 3,086.37, 4,256.35 and 2,730.98 is: 3,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.37 : 4,256.35 = 2,730.98 : x
  2. Step 2: Convert to fraction form
    3,086.37/4,256.35 = 2,730.98/x
  3. Step 3: Cross multiply
    3,086.37x = 4,256.35 × 2,730.98
  4. Step 4: Simplify right side
    3,086.37x = 11,624,010.54
  5. Step 5: Solve for x
    x = 11,624,010.54/3,086.37
  6. Step 6: Final answer
    x = 3,766.24

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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.