Home / 3,677.42-5,516.94-1,213.01

Finding the Fourth Proportional to 3,677.42, 5,516.94 and 1,213.01

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Solution

The fourth proportional to 3,677.42, 5,516.94 and 1,213.01 is: 1,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.42 : 5,516.94 = 1,213.01 : x
  2. Step 2: Convert to fraction form
    3,677.42/5,516.94 = 1,213.01/x
  3. Step 3: Cross multiply
    3,677.42x = 5,516.94 × 1,213.01
  4. Step 4: Simplify right side
    3,677.42x = 6,692,103.39
  5. Step 5: Solve for x
    x = 6,692,103.39/3,677.42
  6. Step 6: Final answer
    x = 1,819.78

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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.