Home / 4,945.20-7,419.20-2,344.56

Finding the Fourth Proportional to 4,945.20, 7,419.20 and 2,344.56

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Solution

The fourth proportional to 4,945.20, 7,419.20 and 2,344.56 is: 3,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.20 : 7,419.20 = 2,344.56 : x
  2. Step 2: Convert to fraction form
    4,945.20/7,419.20 = 2,344.56/x
  3. Step 3: Cross multiply
    4,945.20x = 7,419.20 × 2,344.56
  4. Step 4: Simplify right side
    4,945.20x = 17,394,759.55
  5. Step 5: Solve for x
    x = 17,394,759.55/4,945.20
  6. Step 6: Final answer
    x = 3,517.50

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1.5x scale

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.