Home / 3,298.55-4,949.64-1,982.70

Finding the Fourth Proportional to 3,298.55, 4,949.64 and 1,982.70

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Solution

The fourth proportional to 3,298.55, 4,949.64 and 1,982.70 is: 2,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.55 : 4,949.64 = 1,982.70 : x
  2. Step 2: Convert to fraction form
    3,298.55/4,949.64 = 1,982.70/x
  3. Step 3: Cross multiply
    3,298.55x = 4,949.64 × 1,982.70
  4. Step 4: Simplify right side
    3,298.55x = 9,813,651.23
  5. Step 5: Solve for x
    x = 9,813,651.23/3,298.55
  6. Step 6: Final answer
    x = 2,975.15

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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.