Home / 3,191.67-4,790.64-2,096.82

Finding the Fourth Proportional to 3,191.67, 4,790.64 and 2,096.82

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Solution

The fourth proportional to 3,191.67, 4,790.64 and 2,096.82 is: 3,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.67 : 4,790.64 = 2,096.82 : x
  2. Step 2: Convert to fraction form
    3,191.67/4,790.64 = 2,096.82/x
  3. Step 3: Cross multiply
    3,191.67x = 4,790.64 × 2,096.82
  4. Step 4: Simplify right side
    3,191.67x = 10,045,117.63
  5. Step 5: Solve for x
    x = 10,045,117.63/3,191.67
  6. Step 6: Final answer
    x = 3,147.29

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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.