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Finding the Fourth Proportional to 3,923.01, 5,878.62 and 3,552.57

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Solution

The fourth proportional to 3,923.01, 5,878.62 and 3,552.57 is: 5,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.01 : 5,878.62 = 3,552.57 : x
  2. Step 2: Convert to fraction form
    3,923.01/5,878.62 = 3,552.57/x
  3. Step 3: Cross multiply
    3,923.01x = 5,878.62 × 3,552.57
  4. Step 4: Simplify right side
    3,923.01x = 20,884,209.05
  5. Step 5: Solve for x
    x = 20,884,209.05/3,923.01
  6. Step 6: Final answer
    x = 5,323.52

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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.