Home / 3,720.67-5,564.90-2,156.96

Finding the Fourth Proportional to 3,720.67, 5,564.90 and 2,156.96

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Solution

The fourth proportional to 3,720.67, 5,564.90 and 2,156.96 is: 3,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.67 : 5,564.90 = 2,156.96 : x
  2. Step 2: Convert to fraction form
    3,720.67/5,564.90 = 2,156.96/x
  3. Step 3: Cross multiply
    3,720.67x = 5,564.90 × 2,156.96
  4. Step 4: Simplify right side
    3,720.67x = 12,003,286.01
  5. Step 5: Solve for x
    x = 12,003,286.01/3,720.67
  6. Step 6: Final answer
    x = 3,226.11

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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.