Home / 3,042.11-4,198.12-1,715.83

Finding the Fourth Proportional to 3,042.11, 4,198.12 and 1,715.83

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Solution

The fourth proportional to 3,042.11, 4,198.12 and 1,715.83 is: 2,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.11 : 4,198.12 = 1,715.83 : x
  2. Step 2: Convert to fraction form
    3,042.11/4,198.12 = 1,715.83/x
  3. Step 3: Cross multiply
    3,042.11x = 4,198.12 × 1,715.83
  4. Step 4: Simplify right side
    3,042.11x = 7,203,245.45
  5. Step 5: Solve for x
    x = 7,203,245.45/3,042.11
  6. Step 6: Final answer
    x = 2,367.84

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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.