Home / 3,301.80-4,949.59-1,108.99

Finding the Fourth Proportional to 3,301.80, 4,949.59 and 1,108.99

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Solution

The fourth proportional to 3,301.80, 4,949.59 and 1,108.99 is: 1,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.80 : 4,949.59 = 1,108.99 : x
  2. Step 2: Convert to fraction form
    3,301.80/4,949.59 = 1,108.99/x
  3. Step 3: Cross multiply
    3,301.80x = 4,949.59 × 1,108.99
  4. Step 4: Simplify right side
    3,301.80x = 5,489,045.81
  5. Step 5: Solve for x
    x = 5,489,045.81/3,301.80
  6. Step 6: Final answer
    x = 1,662.44

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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.