Home / 2,824.64-4,236.96-2,759.84

Finding the Fourth Proportional to 2,824.64, 4,236.96 and 2,759.84

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Solution

The fourth proportional to 2,824.64, 4,236.96 and 2,759.84 is: 4,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.64 : 4,236.96 = 2,759.84 : x
  2. Step 2: Convert to fraction form
    2,824.64/4,236.96 = 2,759.84/x
  3. Step 3: Cross multiply
    2,824.64x = 4,236.96 × 2,759.84
  4. Step 4: Simplify right side
    2,824.64x = 11,693,331.69
  5. Step 5: Solve for x
    x = 11,693,331.69/2,824.64
  6. Step 6: Final answer
    x = 4,139.76

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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.