Home / 3,550.95-5,331.62-2,938.55

Finding the Fourth Proportional to 3,550.95, 5,331.62 and 2,938.55

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Solution

The fourth proportional to 3,550.95, 5,331.62 and 2,938.55 is: 4,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.95 : 5,331.62 = 2,938.55 : x
  2. Step 2: Convert to fraction form
    3,550.95/5,331.62 = 2,938.55/x
  3. Step 3: Cross multiply
    3,550.95x = 5,331.62 × 2,938.55
  4. Step 4: Simplify right side
    3,550.95x = 15,667,212.64
  5. Step 5: Solve for x
    x = 15,667,212.64/3,550.95
  6. Step 6: Final answer
    x = 4,412.12

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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.