Home / 3,936.12-5,900.40-3,323.76

Finding the Fourth Proportional to 3,936.12, 5,900.40 and 3,323.76

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Solution

The fourth proportional to 3,936.12, 5,900.40 and 3,323.76 is: 4,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.12 : 5,900.40 = 3,323.76 : x
  2. Step 2: Convert to fraction form
    3,936.12/5,900.40 = 3,323.76/x
  3. Step 3: Cross multiply
    3,936.12x = 5,900.40 × 3,323.76
  4. Step 4: Simplify right side
    3,936.12x = 19,611,513.50
  5. Step 5: Solve for x
    x = 19,611,513.50/3,936.12
  6. Step 6: Final answer
    x = 4,982.45

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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.