Home / 3,617.22-4,991.68-2,002.08

Finding the Fourth Proportional to 3,617.22, 4,991.68 and 2,002.08

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Solution

The fourth proportional to 3,617.22, 4,991.68 and 2,002.08 is: 2,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.22 : 4,991.68 = 2,002.08 : x
  2. Step 2: Convert to fraction form
    3,617.22/4,991.68 = 2,002.08/x
  3. Step 3: Cross multiply
    3,617.22x = 4,991.68 × 2,002.08
  4. Step 4: Simplify right side
    3,617.22x = 9,993,763.92
  5. Step 5: Solve for x
    x = 9,993,763.92/3,617.22
  6. Step 6: Final answer
    x = 2,762.83

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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.