Home / 2,166.36-3,249.65-1,241.67

Finding the Fourth Proportional to 2,166.36, 3,249.65 and 1,241.67

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Solution

The fourth proportional to 2,166.36, 3,249.65 and 1,241.67 is: 1,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.36 : 3,249.65 = 1,241.67 : x
  2. Step 2: Convert to fraction form
    2,166.36/3,249.65 = 1,241.67/x
  3. Step 3: Cross multiply
    2,166.36x = 3,249.65 × 1,241.67
  4. Step 4: Simplify right side
    2,166.36x = 4,034,992.92
  5. Step 5: Solve for x
    x = 4,034,992.92/2,166.36
  6. Step 6: Final answer
    x = 1,862.57

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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.