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Finding the Fourth Proportional to 1,763.44, 2,649.96 and 1,662.74

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Solution

The fourth proportional to 1,763.44, 2,649.96 and 1,662.74 is: 2,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.44 : 2,649.96 = 1,662.74 : x
  2. Step 2: Convert to fraction form
    1,763.44/2,649.96 = 1,662.74/x
  3. Step 3: Cross multiply
    1,763.44x = 2,649.96 × 1,662.74
  4. Step 4: Simplify right side
    1,763.44x = 4,406,194.49
  5. Step 5: Solve for x
    x = 4,406,194.49/1,763.44
  6. Step 6: Final answer
    x = 2,498.64

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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.