Home / 3,935.94-5,431.67-2,167.53

Finding the Fourth Proportional to 3,935.94, 5,431.67 and 2,167.53

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Solution

The fourth proportional to 3,935.94, 5,431.67 and 2,167.53 is: 2,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.94 : 5,431.67 = 2,167.53 : x
  2. Step 2: Convert to fraction form
    3,935.94/5,431.67 = 2,167.53/x
  3. Step 3: Cross multiply
    3,935.94x = 5,431.67 × 2,167.53
  4. Step 4: Simplify right side
    3,935.94x = 11,773,296.84
  5. Step 5: Solve for x
    x = 11,773,296.84/3,935.94
  6. Step 6: Final answer
    x = 2,991.23

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1.5x scale

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.