Home / 2,825.06-4,238.76-1,729.46

Finding the Fourth Proportional to 2,825.06, 4,238.76 and 1,729.46

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Solution

The fourth proportional to 2,825.06, 4,238.76 and 1,729.46 is: 2,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.06 : 4,238.76 = 1,729.46 : x
  2. Step 2: Convert to fraction form
    2,825.06/4,238.76 = 1,729.46/x
  3. Step 3: Cross multiply
    2,825.06x = 4,238.76 × 1,729.46
  4. Step 4: Simplify right side
    2,825.06x = 7,330,765.87
  5. Step 5: Solve for x
    x = 7,330,765.87/2,825.06
  6. Step 6: Final answer
    x = 2,594.91

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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.