Home / 2,819.34-4,226.58-1,087.02

Finding the Fourth Proportional to 2,819.34, 4,226.58 and 1,087.02

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Solution

The fourth proportional to 2,819.34, 4,226.58 and 1,087.02 is: 1,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.34 : 4,226.58 = 1,087.02 : x
  2. Step 2: Convert to fraction form
    2,819.34/4,226.58 = 1,087.02/x
  3. Step 3: Cross multiply
    2,819.34x = 4,226.58 × 1,087.02
  4. Step 4: Simplify right side
    2,819.34x = 4,594,376.99
  5. Step 5: Solve for x
    x = 4,594,376.99/2,819.34
  6. Step 6: Final answer
    x = 1,629.59

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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.