Home / 2,765.28-4,151.94-1,729.68

Finding the Fourth Proportional to 2,765.28, 4,151.94 and 1,729.68

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Solution

The fourth proportional to 2,765.28, 4,151.94 and 1,729.68 is: 2,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.28 : 4,151.94 = 1,729.68 : x
  2. Step 2: Convert to fraction form
    2,765.28/4,151.94 = 1,729.68/x
  3. Step 3: Cross multiply
    2,765.28x = 4,151.94 × 1,729.68
  4. Step 4: Simplify right side
    2,765.28x = 7,181,527.58
  5. Step 5: Solve for x
    x = 7,181,527.58/2,765.28
  6. Step 6: Final answer
    x = 2,597.03

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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.