Home / 1,882.49-2,823.73-1,324.91

Finding the Fourth Proportional to 1,882.49, 2,823.73 and 1,324.91

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Solution

The fourth proportional to 1,882.49, 2,823.73 and 1,324.91 is: 1,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.49 : 2,823.73 = 1,324.91 : x
  2. Step 2: Convert to fraction form
    1,882.49/2,823.73 = 1,324.91/x
  3. Step 3: Cross multiply
    1,882.49x = 2,823.73 × 1,324.91
  4. Step 4: Simplify right side
    1,882.49x = 3,741,191.86
  5. Step 5: Solve for x
    x = 3,741,191.86/1,882.49
  6. Step 6: Final answer
    x = 1,987.37

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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.