Home / 3,967.68-5,477.16-2,571.12

Finding the Fourth Proportional to 3,967.68, 5,477.16 and 2,571.12

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Solution

The fourth proportional to 3,967.68, 5,477.16 and 2,571.12 is: 3,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.68 : 5,477.16 = 2,571.12 : x
  2. Step 2: Convert to fraction form
    3,967.68/5,477.16 = 2,571.12/x
  3. Step 3: Cross multiply
    3,967.68x = 5,477.16 × 2,571.12
  4. Step 4: Simplify right side
    3,967.68x = 14,082,435.62
  5. Step 5: Solve for x
    x = 14,082,435.62/3,967.68
  6. Step 6: Final answer
    x = 3,549.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.