Home / 1,828.28-2,743.62-1,339.84

Finding the Fourth Proportional to 1,828.28, 2,743.62 and 1,339.84

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Solution

The fourth proportional to 1,828.28, 2,743.62 and 1,339.84 is: 2,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.28 : 2,743.62 = 1,339.84 : x
  2. Step 2: Convert to fraction form
    1,828.28/2,743.62 = 1,339.84/x
  3. Step 3: Cross multiply
    1,828.28x = 2,743.62 × 1,339.84
  4. Step 4: Simplify right side
    1,828.28x = 3,676,011.82
  5. Step 5: Solve for x
    x = 3,676,011.82/1,828.28
  6. Step 6: Final answer
    x = 2,010.64

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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.