Home / 1,882.26-2,821.15-1,418.51

Finding the Fourth Proportional to 1,882.26, 2,821.15 and 1,418.51

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Solution

The fourth proportional to 1,882.26, 2,821.15 and 1,418.51 is: 2,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.26 : 2,821.15 = 1,418.51 : x
  2. Step 2: Convert to fraction form
    1,882.26/2,821.15 = 1,418.51/x
  3. Step 3: Cross multiply
    1,882.26x = 2,821.15 × 1,418.51
  4. Step 4: Simplify right side
    1,882.26x = 4,001,842.30
  5. Step 5: Solve for x
    x = 4,001,842.30/1,882.26
  6. Step 6: Final answer
    x = 2,126.08

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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.