Home / 3,930.84-5,426.94-2,735.37

Finding the Fourth Proportional to 3,930.84, 5,426.94 and 2,735.37

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Solution

The fourth proportional to 3,930.84, 5,426.94 and 2,735.37 is: 3,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.84 : 5,426.94 = 2,735.37 : x
  2. Step 2: Convert to fraction form
    3,930.84/5,426.94 = 2,735.37/x
  3. Step 3: Cross multiply
    3,930.84x = 5,426.94 × 2,735.37
  4. Step 4: Simplify right side
    3,930.84x = 14,844,688.87
  5. Step 5: Solve for x
    x = 14,844,688.87/3,930.84
  6. Step 6: Final answer
    x = 3,776.47

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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.