Home / 3,403.03-4,696.23-2,005.78

Finding the Fourth Proportional to 3,403.03, 4,696.23 and 2,005.78

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Solution

The fourth proportional to 3,403.03, 4,696.23 and 2,005.78 is: 2,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.03 : 4,696.23 = 2,005.78 : x
  2. Step 2: Convert to fraction form
    3,403.03/4,696.23 = 2,005.78/x
  3. Step 3: Cross multiply
    3,403.03x = 4,696.23 × 2,005.78
  4. Step 4: Simplify right side
    3,403.03x = 9,419,604.21
  5. Step 5: Solve for x
    x = 9,419,604.21/3,403.03
  6. Step 6: Final answer
    x = 2,768.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.