Home / 3,042.43-4,198.60-1,784.39

Finding the Fourth Proportional to 3,042.43, 4,198.60 and 1,784.39

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Solution

The fourth proportional to 3,042.43, 4,198.60 and 1,784.39 is: 2,462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.43 : 4,198.60 = 1,784.39 : x
  2. Step 2: Convert to fraction form
    3,042.43/4,198.60 = 1,784.39/x
  3. Step 3: Cross multiply
    3,042.43x = 4,198.60 × 1,784.39
  4. Step 4: Simplify right side
    3,042.43x = 7,491,932.90
  5. Step 5: Solve for x
    x = 7,491,932.90/3,042.43
  6. Step 6: Final answer
    x = 2,462.49

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1.5x scale

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.