Home / 3,935.46-5,428.14-2,589.44

Finding the Fourth Proportional to 3,935.46, 5,428.14 and 2,589.44

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Solution

The fourth proportional to 3,935.46, 5,428.14 and 2,589.44 is: 3,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.46 : 5,428.14 = 2,589.44 : x
  2. Step 2: Convert to fraction form
    3,935.46/5,428.14 = 2,589.44/x
  3. Step 3: Cross multiply
    3,935.46x = 5,428.14 × 2,589.44
  4. Step 4: Simplify right side
    3,935.46x = 14,055,842.84
  5. Step 5: Solve for x
    x = 14,055,842.84/3,935.46
  6. Step 6: Final answer
    x = 3,571.59

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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.