Home / 3,499.85-5,249.73-1,419.35

Finding the Fourth Proportional to 3,499.85, 5,249.73 and 1,419.35

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Solution

The fourth proportional to 3,499.85, 5,249.73 and 1,419.35 is: 2,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.85 : 5,249.73 = 1,419.35 : x
  2. Step 2: Convert to fraction form
    3,499.85/5,249.73 = 1,419.35/x
  3. Step 3: Cross multiply
    3,499.85x = 5,249.73 × 1,419.35
  4. Step 4: Simplify right side
    3,499.85x = 7,451,217.40
  5. Step 5: Solve for x
    x = 7,451,217.40/3,499.85
  6. Step 6: Final answer
    x = 2,129.01

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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.