Home / 2,815.97-4,227.39-2,586.74

Finding the Fourth Proportional to 2,815.97, 4,227.39 and 2,586.74

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Solution

The fourth proportional to 2,815.97, 4,227.39 and 2,586.74 is: 3,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.97 : 4,227.39 = 2,586.74 : x
  2. Step 2: Convert to fraction form
    2,815.97/4,227.39 = 2,586.74/x
  3. Step 3: Cross multiply
    2,815.97x = 4,227.39 × 2,586.74
  4. Step 4: Simplify right side
    2,815.97x = 10,935,137.67
  5. Step 5: Solve for x
    x = 10,935,137.67/2,815.97
  6. Step 6: Final answer
    x = 3,883.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.