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Finding the Fourth Proportional to 3,577.39, 5,361.47 and 1,601.57

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Solution

The fourth proportional to 3,577.39, 5,361.47 and 1,601.57 is: 2,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.39 : 5,361.47 = 1,601.57 : x
  2. Step 2: Convert to fraction form
    3,577.39/5,361.47 = 1,601.57/x
  3. Step 3: Cross multiply
    3,577.39x = 5,361.47 × 1,601.57
  4. Step 4: Simplify right side
    3,577.39x = 8,586,776.41
  5. Step 5: Solve for x
    x = 8,586,776.41/3,577.39
  6. Step 6: Final answer
    x = 2,400.29

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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.