Home / 3,746.90-5,171.19-2,255.62

Finding the Fourth Proportional to 3,746.90, 5,171.19 and 2,255.62

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Solution

The fourth proportional to 3,746.90, 5,171.19 and 2,255.62 is: 3,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.90 : 5,171.19 = 2,255.62 : x
  2. Step 2: Convert to fraction form
    3,746.90/5,171.19 = 2,255.62/x
  3. Step 3: Cross multiply
    3,746.90x = 5,171.19 × 2,255.62
  4. Step 4: Simplify right side
    3,746.90x = 11,664,213.73
  5. Step 5: Solve for x
    x = 11,664,213.73/3,746.90
  6. Step 6: Final answer
    x = 3,113.03

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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.