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Finding the Fourth Proportional to 1,573.81, 2,361.32 and 1,469.32

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Solution

The fourth proportional to 1,573.81, 2,361.32 and 1,469.32 is: 2,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.81 : 2,361.32 = 1,469.32 : x
  2. Step 2: Convert to fraction form
    1,573.81/2,361.32 = 1,469.32/x
  3. Step 3: Cross multiply
    1,573.81x = 2,361.32 × 1,469.32
  4. Step 4: Simplify right side
    1,573.81x = 3,469,534.70
  5. Step 5: Solve for x
    x = 3,469,534.70/1,573.81
  6. Step 6: Final answer
    x = 2,204.54

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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.