Home / 2,661.67-3,992.91-1,622.44

Finding the Fourth Proportional to 2,661.67, 3,992.91 and 1,622.44

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Solution

The fourth proportional to 2,661.67, 3,992.91 and 1,622.44 is: 2,433.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.67 : 3,992.91 = 1,622.44 : x
  2. Step 2: Convert to fraction form
    2,661.67/3,992.91 = 1,622.44/x
  3. Step 3: Cross multiply
    2,661.67x = 3,992.91 × 1,622.44
  4. Step 4: Simplify right side
    2,661.67x = 6,478,256.90
  5. Step 5: Solve for x
    x = 6,478,256.90/2,661.67
  6. Step 6: Final answer
    x = 2,433.91

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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.