Home / 3,747.61-5,170.62-2,422.09

Finding the Fourth Proportional to 3,747.61, 5,170.62 and 2,422.09

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Solution

The fourth proportional to 3,747.61, 5,170.62 and 2,422.09 is: 3,341.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.61 : 5,170.62 = 2,422.09 : x
  2. Step 2: Convert to fraction form
    3,747.61/5,170.62 = 2,422.09/x
  3. Step 3: Cross multiply
    3,747.61x = 5,170.62 × 2,422.09
  4. Step 4: Simplify right side
    3,747.61x = 12,523,707.00
  5. Step 5: Solve for x
    x = 12,523,707.00/3,747.61
  6. Step 6: Final answer
    x = 3,341.79

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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.