Home / 2,836.67-4,253.17-1,355.09

Finding the Fourth Proportional to 2,836.67, 4,253.17 and 1,355.09

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Solution

The fourth proportional to 2,836.67, 4,253.17 and 1,355.09 is: 2,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.67 : 4,253.17 = 1,355.09 : x
  2. Step 2: Convert to fraction form
    2,836.67/4,253.17 = 1,355.09/x
  3. Step 3: Cross multiply
    2,836.67x = 4,253.17 × 1,355.09
  4. Step 4: Simplify right side
    2,836.67x = 5,763,428.14
  5. Step 5: Solve for x
    x = 5,763,428.14/2,836.67
  6. Step 6: Final answer
    x = 2,031.76

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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.