Home / 2,722.28-4,078.07-1,795.01

Finding the Fourth Proportional to 2,722.28, 4,078.07 and 1,795.01

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Solution

The fourth proportional to 2,722.28, 4,078.07 and 1,795.01 is: 2,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.28 : 4,078.07 = 1,795.01 : x
  2. Step 2: Convert to fraction form
    2,722.28/4,078.07 = 1,795.01/x
  3. Step 3: Cross multiply
    2,722.28x = 4,078.07 × 1,795.01
  4. Step 4: Simplify right side
    2,722.28x = 7,320,181.78
  5. Step 5: Solve for x
    x = 7,320,181.78/2,722.28
  6. Step 6: Final answer
    x = 2,688.99

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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.