Home / 2,912.43-4,370.87-2,134.47

Finding the Fourth Proportional to 2,912.43, 4,370.87 and 2,134.47

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Solution

The fourth proportional to 2,912.43, 4,370.87 and 2,134.47 is: 3,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.43 : 4,370.87 = 2,134.47 : x
  2. Step 2: Convert to fraction form
    2,912.43/4,370.87 = 2,134.47/x
  3. Step 3: Cross multiply
    2,912.43x = 4,370.87 × 2,134.47
  4. Step 4: Simplify right side
    2,912.43x = 9,329,458.36
  5. Step 5: Solve for x
    x = 9,329,458.36/2,912.43
  6. Step 6: Final answer
    x = 3,203.33

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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.