Home / 3,634.64-5,449.44-1,904.48

Finding the Fourth Proportional to 3,634.64, 5,449.44 and 1,904.48

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Solution

The fourth proportional to 3,634.64, 5,449.44 and 1,904.48 is: 2,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.64 : 5,449.44 = 1,904.48 : x
  2. Step 2: Convert to fraction form
    3,634.64/5,449.44 = 1,904.48/x
  3. Step 3: Cross multiply
    3,634.64x = 5,449.44 × 1,904.48
  4. Step 4: Simplify right side
    3,634.64x = 10,378,349.49
  5. Step 5: Solve for x
    x = 10,378,349.49/3,634.64
  6. Step 6: Final answer
    x = 2,855.40

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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.