Home / 1,819.07-2,724.50-1,087.11

Finding the Fourth Proportional to 1,819.07, 2,724.50 and 1,087.11

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Solution

The fourth proportional to 1,819.07, 2,724.50 and 1,087.11 is: 1,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.07 : 2,724.50 = 1,087.11 : x
  2. Step 2: Convert to fraction form
    1,819.07/2,724.50 = 1,087.11/x
  3. Step 3: Cross multiply
    1,819.07x = 2,724.50 × 1,087.11
  4. Step 4: Simplify right side
    1,819.07x = 2,961,833.91
  5. Step 5: Solve for x
    x = 2,961,833.91/1,819.07
  6. Step 6: Final answer
    x = 1,628.21

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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.