Home / 3,975.50-5,963.45-1,202.55

Finding the Fourth Proportional to 3,975.50, 5,963.45 and 1,202.55

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Solution

The fourth proportional to 3,975.50, 5,963.45 and 1,202.55 is: 1,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.50 : 5,963.45 = 1,202.55 : x
  2. Step 2: Convert to fraction form
    3,975.50/5,963.45 = 1,202.55/x
  3. Step 3: Cross multiply
    3,975.50x = 5,963.45 × 1,202.55
  4. Step 4: Simplify right side
    3,975.50x = 7,171,340.78
  5. Step 5: Solve for x
    x = 7,171,340.78/3,975.50
  6. Step 6: Final answer
    x = 1,803.89

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Half scale
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Double scale
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Similar ratio
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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.