Home / 2,043.24-2,819.94-1,520.76

Finding the Fourth Proportional to 2,043.24, 2,819.94 and 1,520.76

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Solution

The fourth proportional to 2,043.24, 2,819.94 and 1,520.76 is: 2,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.24 : 2,819.94 = 1,520.76 : x
  2. Step 2: Convert to fraction form
    2,043.24/2,819.94 = 1,520.76/x
  3. Step 3: Cross multiply
    2,043.24x = 2,819.94 × 1,520.76
  4. Step 4: Simplify right side
    2,043.24x = 4,288,451.95
  5. Step 5: Solve for x
    x = 4,288,451.95/2,043.24
  6. Step 6: Final answer
    x = 2,098.85

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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.