Home / 3,270.16-4,452.44-3,259.78

Finding the Fourth Proportional to 3,270.16, 4,452.44 and 3,259.78

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Solution

The fourth proportional to 3,270.16, 4,452.44 and 3,259.78 is: 4,438.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.16 : 4,452.44 = 3,259.78 : x
  2. Step 2: Convert to fraction form
    3,270.16/4,452.44 = 3,259.78/x
  3. Step 3: Cross multiply
    3,270.16x = 4,452.44 × 3,259.78
  4. Step 4: Simplify right side
    3,270.16x = 14,513,974.94
  5. Step 5: Solve for x
    x = 14,513,974.94/3,270.16
  6. Step 6: Final answer
    x = 4,438.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.