Home / 3,083.18-4,255.11-1,824.64

Finding the Fourth Proportional to 3,083.18, 4,255.11 and 1,824.64

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Solution

The fourth proportional to 3,083.18, 4,255.11 and 1,824.64 is: 2,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.18 : 4,255.11 = 1,824.64 : x
  2. Step 2: Convert to fraction form
    3,083.18/4,255.11 = 1,824.64/x
  3. Step 3: Cross multiply
    3,083.18x = 4,255.11 × 1,824.64
  4. Step 4: Simplify right side
    3,083.18x = 7,764,043.91
  5. Step 5: Solve for x
    x = 7,764,043.91/3,083.18
  6. Step 6: Final answer
    x = 2,518.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.