Home / 2,722.95-4,081.50-1,077.21

Finding the Fourth Proportional to 2,722.95, 4,081.50 and 1,077.21

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Solution

The fourth proportional to 2,722.95, 4,081.50 and 1,077.21 is: 1,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.95 : 4,081.50 = 1,077.21 : x
  2. Step 2: Convert to fraction form
    2,722.95/4,081.50 = 1,077.21/x
  3. Step 3: Cross multiply
    2,722.95x = 4,081.50 × 1,077.21
  4. Step 4: Simplify right side
    2,722.95x = 4,396,632.62
  5. Step 5: Solve for x
    x = 4,396,632.62/2,722.95
  6. Step 6: Final answer
    x = 1,614.66

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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.