Home / 2,516.54-3,769.40-2,447.42

Finding the Fourth Proportional to 2,516.54, 3,769.40 and 2,447.42

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Solution

The fourth proportional to 2,516.54, 3,769.40 and 2,447.42 is: 3,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.54 : 3,769.40 = 2,447.42 : x
  2. Step 2: Convert to fraction form
    2,516.54/3,769.40 = 2,447.42/x
  3. Step 3: Cross multiply
    2,516.54x = 3,769.40 × 2,447.42
  4. Step 4: Simplify right side
    2,516.54x = 9,225,292.22
  5. Step 5: Solve for x
    x = 9,225,292.22/2,516.54
  6. Step 6: Final answer
    x = 3,665.87

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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.