Home / 3,936.40-5,898.64-2,635.56

Finding the Fourth Proportional to 3,936.40, 5,898.64 and 2,635.56

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Solution

The fourth proportional to 3,936.40, 5,898.64 and 2,635.56 is: 3,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.40 : 5,898.64 = 2,635.56 : x
  2. Step 2: Convert to fraction form
    3,936.40/5,898.64 = 2,635.56/x
  3. Step 3: Cross multiply
    3,936.40x = 5,898.64 × 2,635.56
  4. Step 4: Simplify right side
    3,936.40x = 15,546,219.64
  5. Step 5: Solve for x
    x = 15,546,219.64/3,936.40
  6. Step 6: Final answer
    x = 3,949.35

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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.