Home / 2,838.92-4,253.57-1,800.09

Finding the Fourth Proportional to 2,838.92, 4,253.57 and 1,800.09

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Solution

The fourth proportional to 2,838.92, 4,253.57 and 1,800.09 is: 2,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.92 : 4,253.57 = 1,800.09 : x
  2. Step 2: Convert to fraction form
    2,838.92/4,253.57 = 1,800.09/x
  3. Step 3: Cross multiply
    2,838.92x = 4,253.57 × 1,800.09
  4. Step 4: Simplify right side
    2,838.92x = 7,656,799.82
  5. Step 5: Solve for x
    x = 7,656,799.82/2,838.92
  6. Step 6: Final answer
    x = 2,697.09

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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.