Home / 3,965.81-5,471.84-2,567.75

Finding the Fourth Proportional to 3,965.81, 5,471.84 and 2,567.75

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Solution

The fourth proportional to 3,965.81, 5,471.84 and 2,567.75 is: 3,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.81 : 5,471.84 = 2,567.75 : x
  2. Step 2: Convert to fraction form
    3,965.81/5,471.84 = 2,567.75/x
  3. Step 3: Cross multiply
    3,965.81x = 5,471.84 × 2,567.75
  4. Step 4: Simplify right side
    3,965.81x = 14,050,304.32
  5. Step 5: Solve for x
    x = 14,050,304.32/3,965.81
  6. Step 6: Final answer
    x = 3,542.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.