Home / 2,933.20-4,396.82-983.80

Finding the Fourth Proportional to 2,933.20, 4,396.82 and 983.80

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Solution

The fourth proportional to 2,933.20, 4,396.82 and 983.80 is: 1,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.20 : 4,396.82 = 983.80 : x
  2. Step 2: Convert to fraction form
    2,933.20/4,396.82 = 983.80/x
  3. Step 3: Cross multiply
    2,933.20x = 4,396.82 × 983.80
  4. Step 4: Simplify right side
    2,933.20x = 4,325,591.52
  5. Step 5: Solve for x
    x = 4,325,591.52/2,933.20
  6. Step 6: Final answer
    x = 1,474.70

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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.