Home / 3,516.05-5,272.02-1,324.96

Finding the Fourth Proportional to 3,516.05, 5,272.02 and 1,324.96

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Solution

The fourth proportional to 3,516.05, 5,272.02 and 1,324.96 is: 1,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.05 : 5,272.02 = 1,324.96 : x
  2. Step 2: Convert to fraction form
    3,516.05/5,272.02 = 1,324.96/x
  3. Step 3: Cross multiply
    3,516.05x = 5,272.02 × 1,324.96
  4. Step 4: Simplify right side
    3,516.05x = 6,985,202.44
  5. Step 5: Solve for x
    x = 6,985,202.44/3,516.05
  6. Step 6: Final answer
    x = 1,986.66

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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.