Home / 3,938.52-5,907.81-1,016.85

Finding the Fourth Proportional to 3,938.52, 5,907.81 and 1,016.85

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Solution

The fourth proportional to 3,938.52, 5,907.81 and 1,016.85 is: 1,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.52 : 5,907.81 = 1,016.85 : x
  2. Step 2: Convert to fraction form
    3,938.52/5,907.81 = 1,016.85/x
  3. Step 3: Cross multiply
    3,938.52x = 5,907.81 × 1,016.85
  4. Step 4: Simplify right side
    3,938.52x = 6,007,356.60
  5. Step 5: Solve for x
    x = 6,007,356.60/3,938.52
  6. Step 6: Final answer
    x = 1,525.28

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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.