Home / 2,682.75-4,024.27-1,039.15

Finding the Fourth Proportional to 2,682.75, 4,024.27 and 1,039.15

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Solution

The fourth proportional to 2,682.75, 4,024.27 and 1,039.15 is: 1,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.75 : 4,024.27 = 1,039.15 : x
  2. Step 2: Convert to fraction form
    2,682.75/4,024.27 = 1,039.15/x
  3. Step 3: Cross multiply
    2,682.75x = 4,024.27 × 1,039.15
  4. Step 4: Simplify right side
    2,682.75x = 4,181,820.17
  5. Step 5: Solve for x
    x = 4,181,820.17/2,682.75
  6. Step 6: Final answer
    x = 1,558.78

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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.