Home / 3,243.39-4,474.86-1,826.85

Finding the Fourth Proportional to 3,243.39, 4,474.86 and 1,826.85

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Solution

The fourth proportional to 3,243.39, 4,474.86 and 1,826.85 is: 2,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.39 : 4,474.86 = 1,826.85 : x
  2. Step 2: Convert to fraction form
    3,243.39/4,474.86 = 1,826.85/x
  3. Step 3: Cross multiply
    3,243.39x = 4,474.86 × 1,826.85
  4. Step 4: Simplify right side
    3,243.39x = 8,174,918.20
  5. Step 5: Solve for x
    x = 8,174,918.20/3,243.39
  6. Step 6: Final answer
    x = 2,520.48

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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.