Home / 3,975.05-5,962.68-2,219.07

Finding the Fourth Proportional to 3,975.05, 5,962.68 and 2,219.07

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Solution

The fourth proportional to 3,975.05, 5,962.68 and 2,219.07 is: 3,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.05 : 5,962.68 = 2,219.07 : x
  2. Step 2: Convert to fraction form
    3,975.05/5,962.68 = 2,219.07/x
  3. Step 3: Cross multiply
    3,975.05x = 5,962.68 × 2,219.07
  4. Step 4: Simplify right side
    3,975.05x = 13,231,604.31
  5. Step 5: Solve for x
    x = 13,231,604.31/3,975.05
  6. Step 6: Final answer
    x = 3,328.66

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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.