Home / 3,310.49-4,970.07-2,219.73

Finding the Fourth Proportional to 3,310.49, 4,970.07 and 2,219.73

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Solution

The fourth proportional to 3,310.49, 4,970.07 and 2,219.73 is: 3,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.49 : 4,970.07 = 2,219.73 : x
  2. Step 2: Convert to fraction form
    3,310.49/4,970.07 = 2,219.73/x
  3. Step 3: Cross multiply
    3,310.49x = 4,970.07 × 2,219.73
  4. Step 4: Simplify right side
    3,310.49x = 11,032,229.04
  5. Step 5: Solve for x
    x = 11,032,229.04/3,310.49
  6. Step 6: Final answer
    x = 3,332.51

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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.