Home / 3,935.28-5,899.27-1,336.40

Finding the Fourth Proportional to 3,935.28, 5,899.27 and 1,336.40

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Solution

The fourth proportional to 3,935.28, 5,899.27 and 1,336.40 is: 2,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.28 : 5,899.27 = 1,336.40 : x
  2. Step 2: Convert to fraction form
    3,935.28/5,899.27 = 1,336.40/x
  3. Step 3: Cross multiply
    3,935.28x = 5,899.27 × 1,336.40
  4. Step 4: Simplify right side
    3,935.28x = 7,883,784.43
  5. Step 5: Solve for x
    x = 7,883,784.43/3,935.28
  6. Step 6: Final answer
    x = 2,003.36

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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.