Home / 2,722.87-4,077.35-1,795.62

Finding the Fourth Proportional to 2,722.87, 4,077.35 and 1,795.62

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Solution

The fourth proportional to 2,722.87, 4,077.35 and 1,795.62 is: 2,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.87 : 4,077.35 = 1,795.62 : x
  2. Step 2: Convert to fraction form
    2,722.87/4,077.35 = 1,795.62/x
  3. Step 3: Cross multiply
    2,722.87x = 4,077.35 × 1,795.62
  4. Step 4: Simplify right side
    2,722.87x = 7,321,371.21
  5. Step 5: Solve for x
    x = 7,321,371.21/2,722.87
  6. Step 6: Final answer
    x = 2,688.84

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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.