Home / 3,617.60-4,992.99-2,290.36

Finding the Fourth Proportional to 3,617.60, 4,992.99 and 2,290.36

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Solution

The fourth proportional to 3,617.60, 4,992.99 and 2,290.36 is: 3,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.60 : 4,992.99 = 2,290.36 : x
  2. Step 2: Convert to fraction form
    3,617.60/4,992.99 = 2,290.36/x
  3. Step 3: Cross multiply
    3,617.60x = 4,992.99 × 2,290.36
  4. Step 4: Simplify right side
    3,617.60x = 11,435,745.75
  5. Step 5: Solve for x
    x = 11,435,745.75/3,617.60
  6. Step 6: Final answer
    x = 3,161.15

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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.