Home / 4,211.28-6,317.64-2,361.60

Finding the Fourth Proportional to 4,211.28, 6,317.64 and 2,361.60

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Solution

The fourth proportional to 4,211.28, 6,317.64 and 2,361.60 is: 3,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.28 : 6,317.64 = 2,361.60 : x
  2. Step 2: Convert to fraction form
    4,211.28/6,317.64 = 2,361.60/x
  3. Step 3: Cross multiply
    4,211.28x = 6,317.64 × 2,361.60
  4. Step 4: Simplify right side
    4,211.28x = 14,919,738.62
  5. Step 5: Solve for x
    x = 14,919,738.62/4,211.28
  6. Step 6: Final answer
    x = 3,542.80

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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.