Home / 3,975.42-5,487.08-2,297.80

Finding the Fourth Proportional to 3,975.42, 5,487.08 and 2,297.80

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Solution

The fourth proportional to 3,975.42, 5,487.08 and 2,297.80 is: 3,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.42 : 5,487.08 = 2,297.80 : x
  2. Step 2: Convert to fraction form
    3,975.42/5,487.08 = 2,297.80/x
  3. Step 3: Cross multiply
    3,975.42x = 5,487.08 × 2,297.80
  4. Step 4: Simplify right side
    3,975.42x = 12,608,212.42
  5. Step 5: Solve for x
    x = 12,608,212.42/3,975.42
  6. Step 6: Final answer
    x = 3,171.54

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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.