Home / 2,161.46-3,237.89-1,666.14

Finding the Fourth Proportional to 2,161.46, 3,237.89 and 1,666.14

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Solution

The fourth proportional to 2,161.46, 3,237.89 and 1,666.14 is: 2,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.46 : 3,237.89 = 1,666.14 : x
  2. Step 2: Convert to fraction form
    2,161.46/3,237.89 = 1,666.14/x
  3. Step 3: Cross multiply
    2,161.46x = 3,237.89 × 1,666.14
  4. Step 4: Simplify right side
    2,161.46x = 5,394,778.04
  5. Step 5: Solve for x
    x = 5,394,778.04/2,161.46
  6. Step 6: Final answer
    x = 2,495.90

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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.