Home / 3,942.32-5,905.08-3,761.84

Finding the Fourth Proportional to 3,942.32, 5,905.08 and 3,761.84

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Solution

The fourth proportional to 3,942.32, 5,905.08 and 3,761.84 is: 5,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.32 : 5,905.08 = 3,761.84 : x
  2. Step 2: Convert to fraction form
    3,942.32/5,905.08 = 3,761.84/x
  3. Step 3: Cross multiply
    3,942.32x = 5,905.08 × 3,761.84
  4. Step 4: Simplify right side
    3,942.32x = 22,213,966.15
  5. Step 5: Solve for x
    x = 22,213,966.15/3,942.32
  6. Step 6: Final answer
    x = 5,634.74

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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.