Home / 2,543.20-3,811.75-1,446.05

Finding the Fourth Proportional to 2,543.20, 3,811.75 and 1,446.05

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Solution

The fourth proportional to 2,543.20, 3,811.75 and 1,446.05 is: 2,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.20 : 3,811.75 = 1,446.05 : x
  2. Step 2: Convert to fraction form
    2,543.20/3,811.75 = 1,446.05/x
  3. Step 3: Cross multiply
    2,543.20x = 3,811.75 × 1,446.05
  4. Step 4: Simplify right side
    2,543.20x = 5,511,981.09
  5. Step 5: Solve for x
    x = 5,511,981.09/2,543.20
  6. Step 6: Final answer
    x = 2,167.34

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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.