Home / 3,396.40-5,099.86-2,106.06

Finding the Fourth Proportional to 3,396.40, 5,099.86 and 2,106.06

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Solution

The fourth proportional to 3,396.40, 5,099.86 and 2,106.06 is: 3,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.40 : 5,099.86 = 2,106.06 : x
  2. Step 2: Convert to fraction form
    3,396.40/5,099.86 = 2,106.06/x
  3. Step 3: Cross multiply
    3,396.40x = 5,099.86 × 2,106.06
  4. Step 4: Simplify right side
    3,396.40x = 10,740,611.15
  5. Step 5: Solve for x
    x = 10,740,611.15/3,396.40
  6. Step 6: Final answer
    x = 3,162.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.