Home / 3,742.52-5,165.30-2,171.52

Finding the Fourth Proportional to 3,742.52, 5,165.30 and 2,171.52

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Solution

The fourth proportional to 3,742.52, 5,165.30 and 2,171.52 is: 2,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.52 : 5,165.30 = 2,171.52 : x
  2. Step 2: Convert to fraction form
    3,742.52/5,165.30 = 2,171.52/x
  3. Step 3: Cross multiply
    3,742.52x = 5,165.30 × 2,171.52
  4. Step 4: Simplify right side
    3,742.52x = 11,216,557.68
  5. Step 5: Solve for x
    x = 11,216,557.68/3,742.52
  6. Step 6: Final answer
    x = 2,997.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.