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Finding the Fourth Proportional to 1,835.44, 2,543.80 and 1,800.88

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Solution

The fourth proportional to 1,835.44, 2,543.80 and 1,800.88 is: 2,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.44 : 2,543.80 = 1,800.88 : x
  2. Step 2: Convert to fraction form
    1,835.44/2,543.80 = 1,800.88/x
  3. Step 3: Cross multiply
    1,835.44x = 2,543.80 × 1,800.88
  4. Step 4: Simplify right side
    1,835.44x = 4,581,078.54
  5. Step 5: Solve for x
    x = 4,581,078.54/1,835.44
  6. Step 6: Final answer
    x = 2,495.90

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.