Home / 2,760.26-4,145.38-1,722.28

Finding the Fourth Proportional to 2,760.26, 4,145.38 and 1,722.28

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Solution

The fourth proportional to 2,760.26, 4,145.38 and 1,722.28 is: 2,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.26 : 4,145.38 = 1,722.28 : x
  2. Step 2: Convert to fraction form
    2,760.26/4,145.38 = 1,722.28/x
  3. Step 3: Cross multiply
    2,760.26x = 4,145.38 × 1,722.28
  4. Step 4: Simplify right side
    2,760.26x = 7,139,505.07
  5. Step 5: Solve for x
    x = 7,139,505.07/2,760.26
  6. Step 6: Final answer
    x = 2,586.53

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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.