Home / 3,873.12-5,344.94-2,104.74

Finding the Fourth Proportional to 3,873.12, 5,344.94 and 2,104.74

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Solution

The fourth proportional to 3,873.12, 5,344.94 and 2,104.74 is: 2,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.12 : 5,344.94 = 2,104.74 : x
  2. Step 2: Convert to fraction form
    3,873.12/5,344.94 = 2,104.74/x
  3. Step 3: Cross multiply
    3,873.12x = 5,344.94 × 2,104.74
  4. Step 4: Simplify right side
    3,873.12x = 11,249,709.02
  5. Step 5: Solve for x
    x = 11,249,709.02/3,873.12
  6. Step 6: Final answer
    x = 2,904.56

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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.