Home / 3,361.45-4,635.87-2,416.78

Finding the Fourth Proportional to 3,361.45, 4,635.87 and 2,416.78

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Solution

The fourth proportional to 3,361.45, 4,635.87 and 2,416.78 is: 3,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.45 : 4,635.87 = 2,416.78 : x
  2. Step 2: Convert to fraction form
    3,361.45/4,635.87 = 2,416.78/x
  3. Step 3: Cross multiply
    3,361.45x = 4,635.87 × 2,416.78
  4. Step 4: Simplify right side
    3,361.45x = 11,203,877.90
  5. Step 5: Solve for x
    x = 11,203,877.90/3,361.45
  6. Step 6: Final answer
    x = 3,333.05

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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.