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Finding the Fourth Proportional to 3,597.60, 5,398.42 and 1,649.94

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Solution

The fourth proportional to 3,597.60, 5,398.42 and 1,649.94 is: 2,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,597.60 : 5,398.42 = 1,649.94 : x
  2. Step 2: Convert to fraction form
    3,597.60/5,398.42 = 1,649.94/x
  3. Step 3: Cross multiply
    3,597.60x = 5,398.42 × 1,649.94
  4. Step 4: Simplify right side
    3,597.60x = 8,907,069.09
  5. Step 5: Solve for x
    x = 8,907,069.09/3,597.60
  6. Step 6: Final answer
    x = 2,475.84

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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.