Home / 2,837.44-4,257.53-2,139.19

Finding the Fourth Proportional to 2,837.44, 4,257.53 and 2,139.19

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Solution

The fourth proportional to 2,837.44, 4,257.53 and 2,139.19 is: 3,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.44 : 4,257.53 = 2,139.19 : x
  2. Step 2: Convert to fraction form
    2,837.44/4,257.53 = 2,139.19/x
  3. Step 3: Cross multiply
    2,837.44x = 4,257.53 × 2,139.19
  4. Step 4: Simplify right side
    2,837.44x = 9,107,665.60
  5. Step 5: Solve for x
    x = 9,107,665.60/2,837.44
  6. Step 6: Final answer
    x = 3,209.82

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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.