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Finding the Fourth Proportional to 2,725.62, 3,762.48 and 2,062.68

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Solution

The fourth proportional to 2,725.62, 3,762.48 and 2,062.68 is: 2,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.62 : 3,762.48 = 2,062.68 : x
  2. Step 2: Convert to fraction form
    2,725.62/3,762.48 = 2,062.68/x
  3. Step 3: Cross multiply
    2,725.62x = 3,762.48 × 2,062.68
  4. Step 4: Simplify right side
    2,725.62x = 7,760,792.25
  5. Step 5: Solve for x
    x = 7,760,792.25/2,725.62
  6. Step 6: Final answer
    x = 2,847.35

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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.