Home / 2,764.28-4,150.46-1,728.68

Finding the Fourth Proportional to 2,764.28, 4,150.46 and 1,728.68

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Solution

The fourth proportional to 2,764.28, 4,150.46 and 1,728.68 is: 2,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.28 : 4,150.46 = 1,728.68 : x
  2. Step 2: Convert to fraction form
    2,764.28/4,150.46 = 1,728.68/x
  3. Step 3: Cross multiply
    2,764.28x = 4,150.46 × 1,728.68
  4. Step 4: Simplify right side
    2,764.28x = 7,174,817.19
  5. Step 5: Solve for x
    x = 7,174,817.19/2,764.28
  6. Step 6: Final answer
    x = 2,595.55

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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.