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Finding the Fourth Proportional to 3,584.34, 5,373.44 and 1,361.93

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Solution

The fourth proportional to 3,584.34, 5,373.44 and 1,361.93 is: 2,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.34 : 5,373.44 = 1,361.93 : x
  2. Step 2: Convert to fraction form
    3,584.34/5,373.44 = 1,361.93/x
  3. Step 3: Cross multiply
    3,584.34x = 5,373.44 × 1,361.93
  4. Step 4: Simplify right side
    3,584.34x = 7,318,215.46
  5. Step 5: Solve for x
    x = 7,318,215.46/3,584.34
  6. Step 6: Final answer
    x = 2,041.72

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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.