Home / 3,516.96-5,271.36-1,785.60

Finding the Fourth Proportional to 3,516.96, 5,271.36 and 1,785.60

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Solution

The fourth proportional to 3,516.96, 5,271.36 and 1,785.60 is: 2,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.96 : 5,271.36 = 1,785.60 : x
  2. Step 2: Convert to fraction form
    3,516.96/5,271.36 = 1,785.60/x
  3. Step 3: Cross multiply
    3,516.96x = 5,271.36 × 1,785.60
  4. Step 4: Simplify right side
    3,516.96x = 9,412,540.42
  5. Step 5: Solve for x
    x = 9,412,540.42/3,516.96
  6. Step 6: Final answer
    x = 2,676.33

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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.