Home / 3,996.92-5,515.11-2,403.19

Finding the Fourth Proportional to 3,996.92, 5,515.11 and 2,403.19

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Solution

The fourth proportional to 3,996.92, 5,515.11 and 2,403.19 is: 3,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.92 : 5,515.11 = 2,403.19 : x
  2. Step 2: Convert to fraction form
    3,996.92/5,515.11 = 2,403.19/x
  3. Step 3: Cross multiply
    3,996.92x = 5,515.11 × 2,403.19
  4. Step 4: Simplify right side
    3,996.92x = 13,253,829.99
  5. Step 5: Solve for x
    x = 13,253,829.99/3,996.92
  6. Step 6: Final answer
    x = 3,316.01

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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.