Home / 2,837.58-4,252.43-2,143.68

Finding the Fourth Proportional to 2,837.58, 4,252.43 and 2,143.68

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Solution

The fourth proportional to 2,837.58, 4,252.43 and 2,143.68 is: 3,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.58 : 4,252.43 = 2,143.68 : x
  2. Step 2: Convert to fraction form
    2,837.58/4,252.43 = 2,143.68/x
  3. Step 3: Cross multiply
    2,837.58x = 4,252.43 × 2,143.68
  4. Step 4: Simplify right side
    2,837.58x = 9,115,838.42
  5. Step 5: Solve for x
    x = 9,115,838.42/2,837.58
  6. Step 6: Final answer
    x = 3,212.54

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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.