Home / 3,609.16-5,402.78-2,311.54

Finding the Fourth Proportional to 3,609.16, 5,402.78 and 2,311.54

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Solution

The fourth proportional to 3,609.16, 5,402.78 and 2,311.54 is: 3,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.16 : 5,402.78 = 2,311.54 : x
  2. Step 2: Convert to fraction form
    3,609.16/5,402.78 = 2,311.54/x
  3. Step 3: Cross multiply
    3,609.16x = 5,402.78 × 2,311.54
  4. Step 4: Simplify right side
    3,609.16x = 12,488,742.08
  5. Step 5: Solve for x
    x = 12,488,742.08/3,609.16
  6. Step 6: Final answer
    x = 3,460.29

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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.