Home / 2,722.68-3,757.26-1,527.78

Finding the Fourth Proportional to 2,722.68, 3,757.26 and 1,527.78

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Solution

The fourth proportional to 2,722.68, 3,757.26 and 1,527.78 is: 2,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.68 : 3,757.26 = 1,527.78 : x
  2. Step 2: Convert to fraction form
    2,722.68/3,757.26 = 1,527.78/x
  3. Step 3: Cross multiply
    2,722.68x = 3,757.26 × 1,527.78
  4. Step 4: Simplify right side
    2,722.68x = 5,740,266.68
  5. Step 5: Solve for x
    x = 5,740,266.68/2,722.68
  6. Step 6: Final answer
    x = 2,108.31

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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.