Home / 2,722.86-4,077.81-2,288.70

Finding the Fourth Proportional to 2,722.86, 4,077.81 and 2,288.70

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Solution

The fourth proportional to 2,722.86, 4,077.81 and 2,288.70 is: 3,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.86 : 4,077.81 = 2,288.70 : x
  2. Step 2: Convert to fraction form
    2,722.86/4,077.81 = 2,288.70/x
  3. Step 3: Cross multiply
    2,722.86x = 4,077.81 × 2,288.70
  4. Step 4: Simplify right side
    2,722.86x = 9,332,883.75
  5. Step 5: Solve for x
    x = 9,332,883.75/2,722.86
  6. Step 6: Final answer
    x = 3,427.60

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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.