Home / 2,905.05-4,351.76-1,342.94

Finding the Fourth Proportional to 2,905.05, 4,351.76 and 1,342.94

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Solution

The fourth proportional to 2,905.05, 4,351.76 and 1,342.94 is: 2,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.05 : 4,351.76 = 1,342.94 : x
  2. Step 2: Convert to fraction form
    2,905.05/4,351.76 = 1,342.94/x
  3. Step 3: Cross multiply
    2,905.05x = 4,351.76 × 1,342.94
  4. Step 4: Simplify right side
    2,905.05x = 5,844,124.10
  5. Step 5: Solve for x
    x = 5,844,124.10/2,905.05
  6. Step 6: Final answer
    x = 2,011.71

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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.