Home / 1,828.12-2,743.80-1,672.60

Finding the Fourth Proportional to 1,828.12, 2,743.80 and 1,672.60

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Solution

The fourth proportional to 1,828.12, 2,743.80 and 1,672.60 is: 2,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.12 : 2,743.80 = 1,672.60 : x
  2. Step 2: Convert to fraction form
    1,828.12/2,743.80 = 1,672.60/x
  3. Step 3: Cross multiply
    1,828.12x = 2,743.80 × 1,672.60
  4. Step 4: Simplify right side
    1,828.12x = 4,589,279.88
  5. Step 5: Solve for x
    x = 4,589,279.88/1,828.12
  6. Step 6: Final answer
    x = 2,510.38

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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.