Home / 3,074.28-4,246.04-2,238.72

Finding the Fourth Proportional to 3,074.28, 4,246.04 and 2,238.72

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Solution

The fourth proportional to 3,074.28, 4,246.04 and 2,238.72 is: 3,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.28 : 4,246.04 = 2,238.72 : x
  2. Step 2: Convert to fraction form
    3,074.28/4,246.04 = 2,238.72/x
  3. Step 3: Cross multiply
    3,074.28x = 4,246.04 × 2,238.72
  4. Step 4: Simplify right side
    3,074.28x = 9,505,684.34
  5. Step 5: Solve for x
    x = 9,505,684.34/3,074.28
  6. Step 6: Final answer
    x = 3,092.01

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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.