Home / 2,837.34-4,255.92-2,147.76

Finding the Fourth Proportional to 2,837.34, 4,255.92 and 2,147.76

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Solution

The fourth proportional to 2,837.34, 4,255.92 and 2,147.76 is: 3,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.34 : 4,255.92 = 2,147.76 : x
  2. Step 2: Convert to fraction form
    2,837.34/4,255.92 = 2,147.76/x
  3. Step 3: Cross multiply
    2,837.34x = 4,255.92 × 2,147.76
  4. Step 4: Simplify right side
    2,837.34x = 9,140,694.74
  5. Step 5: Solve for x
    x = 9,140,694.74/2,837.34
  6. Step 6: Final answer
    x = 3,221.57

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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.