Home / 4,942.20-7,404.30-2,339.40

Finding the Fourth Proportional to 4,942.20, 7,404.30 and 2,339.40

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Solution

The fourth proportional to 4,942.20, 7,404.30 and 2,339.40 is: 3,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.20 : 7,404.30 = 2,339.40 : x
  2. Step 2: Convert to fraction form
    4,942.20/7,404.30 = 2,339.40/x
  3. Step 3: Cross multiply
    4,942.20x = 7,404.30 × 2,339.40
  4. Step 4: Simplify right side
    4,942.20x = 17,321,619.42
  5. Step 5: Solve for x
    x = 17,321,619.42/4,942.20
  6. Step 6: Final answer
    x = 3,504.84

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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.