Home / 3,938.48-5,907.61-1,597.85

Finding the Fourth Proportional to 3,938.48, 5,907.61 and 1,597.85

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Solution

The fourth proportional to 3,938.48, 5,907.61 and 1,597.85 is: 2,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.48 : 5,907.61 = 1,597.85 : x
  2. Step 2: Convert to fraction form
    3,938.48/5,907.61 = 1,597.85/x
  3. Step 3: Cross multiply
    3,938.48x = 5,907.61 × 1,597.85
  4. Step 4: Simplify right side
    3,938.48x = 9,439,474.64
  5. Step 5: Solve for x
    x = 9,439,474.64/3,938.48
  6. Step 6: Final answer
    x = 2,396.73

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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.