Home / 3,980.24-5,961.57-2,494.62

Finding the Fourth Proportional to 3,980.24, 5,961.57 and 2,494.62

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Solution

The fourth proportional to 3,980.24, 5,961.57 and 2,494.62 is: 3,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.24 : 5,961.57 = 2,494.62 : x
  2. Step 2: Convert to fraction form
    3,980.24/5,961.57 = 2,494.62/x
  3. Step 3: Cross multiply
    3,980.24x = 5,961.57 × 2,494.62
  4. Step 4: Simplify right side
    3,980.24x = 14,871,851.75
  5. Step 5: Solve for x
    x = 14,871,851.75/3,980.24
  6. Step 6: Final answer
    x = 3,736.42

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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.