Home / 3,969.96-5,950.84-2,871.60

Finding the Fourth Proportional to 3,969.96, 5,950.84 and 2,871.60

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Solution

The fourth proportional to 3,969.96, 5,950.84 and 2,871.60 is: 4,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.96 : 5,950.84 = 2,871.60 : x
  2. Step 2: Convert to fraction form
    3,969.96/5,950.84 = 2,871.60/x
  3. Step 3: Cross multiply
    3,969.96x = 5,950.84 × 2,871.60
  4. Step 4: Simplify right side
    3,969.96x = 17,088,432.14
  5. Step 5: Solve for x
    x = 17,088,432.14/3,969.96
  6. Step 6: Final answer
    x = 4,304.43

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1.5x scale

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.