Home / 2,722.01-3,757.49-1,778.56

Finding the Fourth Proportional to 2,722.01, 3,757.49 and 1,778.56

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Solution

The fourth proportional to 2,722.01, 3,757.49 and 1,778.56 is: 2,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.01 : 3,757.49 = 1,778.56 : x
  2. Step 2: Convert to fraction form
    2,722.01/3,757.49 = 1,778.56/x
  3. Step 3: Cross multiply
    2,722.01x = 3,757.49 × 1,778.56
  4. Step 4: Simplify right side
    2,722.01x = 6,682,909.80
  5. Step 5: Solve for x
    x = 6,682,909.80/2,722.01
  6. Step 6: Final answer
    x = 2,455.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.