Home / 2,114.11-3,169.44-1,418.66

Finding the Fourth Proportional to 2,114.11, 3,169.44 and 1,418.66

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Solution

The fourth proportional to 2,114.11, 3,169.44 and 1,418.66 is: 2,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.11 : 3,169.44 = 1,418.66 : x
  2. Step 2: Convert to fraction form
    2,114.11/3,169.44 = 1,418.66/x
  3. Step 3: Cross multiply
    2,114.11x = 3,169.44 × 1,418.66
  4. Step 4: Simplify right side
    2,114.11x = 4,496,341.90
  5. Step 5: Solve for x
    x = 4,496,341.90/2,114.11
  6. Step 6: Final answer
    x = 2,126.83

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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.