Home / 2,711.22-4,066.89-1,411.86

Finding the Fourth Proportional to 2,711.22, 4,066.89 and 1,411.86

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Solution

The fourth proportional to 2,711.22, 4,066.89 and 1,411.86 is: 2,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.22 : 4,066.89 = 1,411.86 : x
  2. Step 2: Convert to fraction form
    2,711.22/4,066.89 = 1,411.86/x
  3. Step 3: Cross multiply
    2,711.22x = 4,066.89 × 1,411.86
  4. Step 4: Simplify right side
    2,711.22x = 5,741,879.32
  5. Step 5: Solve for x
    x = 5,741,879.32/2,711.22
  6. Step 6: Final answer
    x = 2,117.82

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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.