Home / 3,658.12-5,486.11-2,609.39

Finding the Fourth Proportional to 3,658.12, 5,486.11 and 2,609.39

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Solution

The fourth proportional to 3,658.12, 5,486.11 and 2,609.39 is: 3,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.12 : 5,486.11 = 2,609.39 : x
  2. Step 2: Convert to fraction form
    3,658.12/5,486.11 = 2,609.39/x
  3. Step 3: Cross multiply
    3,658.12x = 5,486.11 × 2,609.39
  4. Step 4: Simplify right side
    3,658.12x = 14,315,400.57
  5. Step 5: Solve for x
    x = 14,315,400.57/3,658.12
  6. Step 6: Final answer
    x = 3,913.32

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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.