Home / 3,299.04-4,949.17-2,128.49

Finding the Fourth Proportional to 3,299.04, 4,949.17 and 2,128.49

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Solution

The fourth proportional to 3,299.04, 4,949.17 and 2,128.49 is: 3,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.04 : 4,949.17 = 2,128.49 : x
  2. Step 2: Convert to fraction form
    3,299.04/4,949.17 = 2,128.49/x
  3. Step 3: Cross multiply
    3,299.04x = 4,949.17 × 2,128.49
  4. Step 4: Simplify right side
    3,299.04x = 10,534,247.35
  5. Step 5: Solve for x
    x = 10,534,247.35/3,299.04
  6. Step 6: Final answer
    x = 3,193.13

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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.