Home / 3,745.36-5,169.78-2,419.04

Finding the Fourth Proportional to 3,745.36, 5,169.78 and 2,419.04

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Solution

The fourth proportional to 3,745.36, 5,169.78 and 2,419.04 is: 3,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.36 : 5,169.78 = 2,419.04 : x
  2. Step 2: Convert to fraction form
    3,745.36/5,169.78 = 2,419.04/x
  3. Step 3: Cross multiply
    3,745.36x = 5,169.78 × 2,419.04
  4. Step 4: Simplify right side
    3,745.36x = 12,505,904.61
  5. Step 5: Solve for x
    x = 12,505,904.61/3,745.36
  6. Step 6: Final answer
    x = 3,339.04

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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.