Home / 3,994.08-5,509.46-2,499.39

Finding the Fourth Proportional to 3,994.08, 5,509.46 and 2,499.39

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Solution

The fourth proportional to 3,994.08, 5,509.46 and 2,499.39 is: 3,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.08 : 5,509.46 = 2,499.39 : x
  2. Step 2: Convert to fraction form
    3,994.08/5,509.46 = 2,499.39/x
  3. Step 3: Cross multiply
    3,994.08x = 5,509.46 × 2,499.39
  4. Step 4: Simplify right side
    3,994.08x = 13,770,289.23
  5. Step 5: Solve for x
    x = 13,770,289.23/3,994.08
  6. Step 6: Final answer
    x = 3,447.67

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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.