Home / 2,684.66-4,028.22-1,040.76

Finding the Fourth Proportional to 2,684.66, 4,028.22 and 1,040.76

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Solution

The fourth proportional to 2,684.66, 4,028.22 and 1,040.76 is: 1,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.66 : 4,028.22 = 1,040.76 : x
  2. Step 2: Convert to fraction form
    2,684.66/4,028.22 = 1,040.76/x
  3. Step 3: Cross multiply
    2,684.66x = 4,028.22 × 1,040.76
  4. Step 4: Simplify right side
    2,684.66x = 4,192,410.25
  5. Step 5: Solve for x
    x = 4,192,410.25/2,684.66
  6. Step 6: Final answer
    x = 1,561.62

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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.