Home / 3,647.57-5,033.61-2,231.01

Finding the Fourth Proportional to 3,647.57, 5,033.61 and 2,231.01

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Solution

The fourth proportional to 3,647.57, 5,033.61 and 2,231.01 is: 3,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.57 : 5,033.61 = 2,231.01 : x
  2. Step 2: Convert to fraction form
    3,647.57/5,033.61 = 2,231.01/x
  3. Step 3: Cross multiply
    3,647.57x = 5,033.61 × 2,231.01
  4. Step 4: Simplify right side
    3,647.57x = 11,230,034.25
  5. Step 5: Solve for x
    x = 11,230,034.25/3,647.57
  6. Step 6: Final answer
    x = 3,078.78

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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.