Home / 3,665.12-5,499.60-2,000.43

Finding the Fourth Proportional to 3,665.12, 5,499.60 and 2,000.43

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Solution

The fourth proportional to 3,665.12, 5,499.60 and 2,000.43 is: 3,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.12 : 5,499.60 = 2,000.43 : x
  2. Step 2: Convert to fraction form
    3,665.12/5,499.60 = 2,000.43/x
  3. Step 3: Cross multiply
    3,665.12x = 5,499.60 × 2,000.43
  4. Step 4: Simplify right side
    3,665.12x = 11,001,564.83
  5. Step 5: Solve for x
    x = 11,001,564.83/3,665.12
  6. Step 6: Final answer
    x = 3,001.70

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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.