Home / 2,771.11-4,162.20-1,732.96

Finding the Fourth Proportional to 2,771.11, 4,162.20 and 1,732.96

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Solution

The fourth proportional to 2,771.11, 4,162.20 and 1,732.96 is: 2,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.11 : 4,162.20 = 1,732.96 : x
  2. Step 2: Convert to fraction form
    2,771.11/4,162.20 = 1,732.96/x
  3. Step 3: Cross multiply
    2,771.11x = 4,162.20 × 1,732.96
  4. Step 4: Simplify right side
    2,771.11x = 7,212,926.11
  5. Step 5: Solve for x
    x = 7,212,926.11/2,771.11
  6. Step 6: Final answer
    x = 2,602.90

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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.