Home / 3,516.67-5,269.08-2,125.76

Finding the Fourth Proportional to 3,516.67, 5,269.08 and 2,125.76

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Solution

The fourth proportional to 3,516.67, 5,269.08 and 2,125.76 is: 3,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.67 : 5,269.08 = 2,125.76 : x
  2. Step 2: Convert to fraction form
    3,516.67/5,269.08 = 2,125.76/x
  3. Step 3: Cross multiply
    3,516.67x = 5,269.08 × 2,125.76
  4. Step 4: Simplify right side
    3,516.67x = 11,200,770.60
  5. Step 5: Solve for x
    x = 11,200,770.60/3,516.67
  6. Step 6: Final answer
    x = 3,185.05

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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.