Home / 3,771.63-5,655.69-2,212.11

Finding the Fourth Proportional to 3,771.63, 5,655.69 and 2,212.11

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Solution

The fourth proportional to 3,771.63, 5,655.69 and 2,212.11 is: 3,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.63 : 5,655.69 = 2,212.11 : x
  2. Step 2: Convert to fraction form
    3,771.63/5,655.69 = 2,212.11/x
  3. Step 3: Cross multiply
    3,771.63x = 5,655.69 × 2,212.11
  4. Step 4: Simplify right side
    3,771.63x = 12,511,008.41
  5. Step 5: Solve for x
    x = 12,511,008.41/3,771.63
  6. Step 6: Final answer
    x = 3,317.14

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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.