Home / 3,452.94-5,190.35-2,971.80

Finding the Fourth Proportional to 3,452.94, 5,190.35 and 2,971.80

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Solution

The fourth proportional to 3,452.94, 5,190.35 and 2,971.80 is: 4,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.94 : 5,190.35 = 2,971.80 : x
  2. Step 2: Convert to fraction form
    3,452.94/5,190.35 = 2,971.80/x
  3. Step 3: Cross multiply
    3,452.94x = 5,190.35 × 2,971.80
  4. Step 4: Simplify right side
    3,452.94x = 15,424,667.27
  5. Step 5: Solve for x
    x = 15,424,667.27/3,452.94
  6. Step 6: Final answer
    x = 4,467.11

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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.