Home / 2,722.15-4,081.56-1,487.85

Finding the Fourth Proportional to 2,722.15, 4,081.56 and 1,487.85

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Solution

The fourth proportional to 2,722.15, 4,081.56 and 1,487.85 is: 2,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.15 : 4,081.56 = 1,487.85 : x
  2. Step 2: Convert to fraction form
    2,722.15/4,081.56 = 1,487.85/x
  3. Step 3: Cross multiply
    2,722.15x = 4,081.56 × 1,487.85
  4. Step 4: Simplify right side
    2,722.15x = 6,072,749.05
  5. Step 5: Solve for x
    x = 6,072,749.05/2,722.15
  6. Step 6: Final answer
    x = 2,230.86

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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.