Home / 2,180.46-3,252.37-1,983.63

Finding the Fourth Proportional to 2,180.46, 3,252.37 and 1,983.63

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Solution

The fourth proportional to 2,180.46, 3,252.37 and 1,983.63 is: 2,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.46 : 3,252.37 = 1,983.63 : x
  2. Step 2: Convert to fraction form
    2,180.46/3,252.37 = 1,983.63/x
  3. Step 3: Cross multiply
    2,180.46x = 3,252.37 × 1,983.63
  4. Step 4: Simplify right side
    2,180.46x = 6,451,498.70
  5. Step 5: Solve for x
    x = 6,451,498.70/2,180.46
  6. Step 6: Final answer
    x = 2,958.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.