Home / 3,195.21-4,406.70-2,016.06

Finding the Fourth Proportional to 3,195.21, 4,406.70 and 2,016.06

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Solution

The fourth proportional to 3,195.21, 4,406.70 and 2,016.06 is: 2,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.21 : 4,406.70 = 2,016.06 : x
  2. Step 2: Convert to fraction form
    3,195.21/4,406.70 = 2,016.06/x
  3. Step 3: Cross multiply
    3,195.21x = 4,406.70 × 2,016.06
  4. Step 4: Simplify right side
    3,195.21x = 8,884,171.60
  5. Step 5: Solve for x
    x = 8,884,171.60/3,195.21
  6. Step 6: Final answer
    x = 2,780.47

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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.