Home / 2,881.30-4,324.68-1,421.44

Finding the Fourth Proportional to 2,881.30, 4,324.68 and 1,421.44

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Solution

The fourth proportional to 2,881.30, 4,324.68 and 1,421.44 is: 2,133.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.30 : 4,324.68 = 1,421.44 : x
  2. Step 2: Convert to fraction form
    2,881.30/4,324.68 = 1,421.44/x
  3. Step 3: Cross multiply
    2,881.30x = 4,324.68 × 1,421.44
  4. Step 4: Simplify right side
    2,881.30x = 6,147,273.14
  5. Step 5: Solve for x
    x = 6,147,273.14/2,881.30
  6. Step 6: Final answer
    x = 2,133.51

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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.