Home / 3,586.34-5,381.64-1,942.85

Finding the Fourth Proportional to 3,586.34, 5,381.64 and 1,942.85

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Solution

The fourth proportional to 3,586.34, 5,381.64 and 1,942.85 is: 2,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.34 : 5,381.64 = 1,942.85 : x
  2. Step 2: Convert to fraction form
    3,586.34/5,381.64 = 1,942.85/x
  3. Step 3: Cross multiply
    3,586.34x = 5,381.64 × 1,942.85
  4. Step 4: Simplify right side
    3,586.34x = 10,455,732.73
  5. Step 5: Solve for x
    x = 10,455,732.73/3,586.34
  6. Step 6: Final answer
    x = 2,915.43

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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.