Home / 3,409.42-5,086.41-3,091.11

Finding the Fourth Proportional to 3,409.42, 5,086.41 and 3,091.11

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Solution

The fourth proportional to 3,409.42, 5,086.41 and 3,091.11 is: 4,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.42 : 5,086.41 = 3,091.11 : x
  2. Step 2: Convert to fraction form
    3,409.42/5,086.41 = 3,091.11/x
  3. Step 3: Cross multiply
    3,409.42x = 5,086.41 × 3,091.11
  4. Step 4: Simplify right side
    3,409.42x = 15,722,652.82
  5. Step 5: Solve for x
    x = 15,722,652.82/3,409.42
  6. Step 6: Final answer
    x = 4,611.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.