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Finding the Fourth Proportional to 3,836.55, 5,756.04 and 1,371.32

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Solution

The fourth proportional to 3,836.55, 5,756.04 and 1,371.32 is: 2,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.55 : 5,756.04 = 1,371.32 : x
  2. Step 2: Convert to fraction form
    3,836.55/5,756.04 = 1,371.32/x
  3. Step 3: Cross multiply
    3,836.55x = 5,756.04 × 1,371.32
  4. Step 4: Simplify right side
    3,836.55x = 7,893,337.14
  5. Step 5: Solve for x
    x = 7,893,337.14/3,836.55
  6. Step 6: Final answer
    x = 2,057.40

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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.