Home / 3,146.11-4,340.87-1,819.73

Finding the Fourth Proportional to 3,146.11, 4,340.87 and 1,819.73

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Solution

The fourth proportional to 3,146.11, 4,340.87 and 1,819.73 is: 2,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.11 : 4,340.87 = 1,819.73 : x
  2. Step 2: Convert to fraction form
    3,146.11/4,340.87 = 1,819.73/x
  3. Step 3: Cross multiply
    3,146.11x = 4,340.87 × 1,819.73
  4. Step 4: Simplify right side
    3,146.11x = 7,899,202.27
  5. Step 5: Solve for x
    x = 7,899,202.27/3,146.11
  6. Step 6: Final answer
    x = 2,510.79

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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.